Home / 38,290.14-52,840.38-21,523.14

Finding the Fourth Proportional to 38,290.14, 52,840.38 and 21,523.14

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Solution

The fourth proportional to 38,290.14, 52,840.38 and 21,523.14 is: 29,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290.14 : 52,840.38 = 21,523.14 : x
  2. Step 2: Convert to fraction form
    38,290.14/52,840.38 = 21,523.14/x
  3. Step 3: Cross multiply
    38,290.14x = 52,840.38 × 21,523.14
  4. Step 4: Simplify right side
    38,290.14x = 1,137,290,896.39
  5. Step 5: Solve for x
    x = 1,137,290,896.39/38,290.14
  6. Step 6: Final answer
    x = 29,701.93

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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.