Home / 42,001.74-57,957.12-23,140.08

Finding the Fourth Proportional to 42,001.74, 57,957.12 and 23,140.08

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Solution

The fourth proportional to 42,001.74, 57,957.12 and 23,140.08 is: 31,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001.74 : 57,957.12 = 23,140.08 : x
  2. Step 2: Convert to fraction form
    42,001.74/57,957.12 = 23,140.08/x
  3. Step 3: Cross multiply
    42,001.74x = 57,957.12 × 23,140.08
  4. Step 4: Simplify right side
    42,001.74x = 1,341,132,393.37
  5. Step 5: Solve for x
    x = 1,341,132,393.37/42,001.74
  6. Step 6: Final answer
    x = 31,930.40

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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.