Home / 38,489.31-52,948.76-31,400.19

Finding the Fourth Proportional to 38,489.31, 52,948.76 and 31,400.19

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Solution

The fourth proportional to 38,489.31, 52,948.76 and 31,400.19 is: 43,196.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,489.31 : 52,948.76 = 31,400.19 : x
  2. Step 2: Convert to fraction form
    38,489.31/52,948.76 = 31,400.19/x
  3. Step 3: Cross multiply
    38,489.31x = 52,948.76 × 31,400.19
  4. Step 4: Simplify right side
    38,489.31x = 1,662,600,967.26
  5. Step 5: Solve for x
    x = 1,662,600,967.26/38,489.31
  6. Step 6: Final answer
    x = 43,196.43

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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.