Home / 38,542.31-53,188.68-21,547.25

Finding the Fourth Proportional to 38,542.31, 53,188.68 and 21,547.25

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Solution

The fourth proportional to 38,542.31, 53,188.68 and 21,547.25 is: 29,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,542.31 : 53,188.68 = 21,547.25 : x
  2. Step 2: Convert to fraction form
    38,542.31/53,188.68 = 21,547.25/x
  3. Step 3: Cross multiply
    38,542.31x = 53,188.68 × 21,547.25
  4. Step 4: Simplify right side
    38,542.31x = 1,146,069,519.19
  5. Step 5: Solve for x
    x = 1,146,069,519.19/38,542.31
  6. Step 6: Final answer
    x = 29,735.37

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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.