Home / 42,853.79-59,138.21-23,990.92

Finding the Fourth Proportional to 42,853.79, 59,138.21 and 23,990.92

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Solution

The fourth proportional to 42,853.79, 59,138.21 and 23,990.92 is: 33,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,853.79 : 59,138.21 = 23,990.92 : x
  2. Step 2: Convert to fraction form
    42,853.79/59,138.21 = 23,990.92/x
  3. Step 3: Cross multiply
    42,853.79x = 59,138.21 × 23,990.92
  4. Step 4: Simplify right side
    42,853.79x = 1,418,779,977.18
  5. Step 5: Solve for x
    x = 1,418,779,977.18/42,853.79
  6. Step 6: Final answer
    x = 33,107.45

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Double scale
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Similar ratio
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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.