Home / 31,048.58-42,885.51-22,537.10

Finding the Fourth Proportional to 31,048.58, 42,885.51 and 22,537.10

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Solution

The fourth proportional to 31,048.58, 42,885.51 and 22,537.10 is: 31,129.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,048.58 : 42,885.51 = 22,537.10 : x
  2. Step 2: Convert to fraction form
    31,048.58/42,885.51 = 22,537.10/x
  3. Step 3: Cross multiply
    31,048.58x = 42,885.51 × 22,537.10
  4. Step 4: Simplify right side
    31,048.58x = 966,515,027.42
  5. Step 5: Solve for x
    x = 966,515,027.42/31,048.58
  6. Step 6: Final answer
    x = 31,129.12

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Half scale
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Double scale
Find fourth proportional to 31,049.58, 42,886.89 and 22,538.10
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.