Home / 42,001.99-57,962.74-23,139.11

Finding the Fourth Proportional to 42,001.99, 57,962.74 and 23,139.11

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Solution

The fourth proportional to 42,001.99, 57,962.74 and 23,139.11 is: 31,931.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001.99 : 57,962.74 = 23,139.11 : x
  2. Step 2: Convert to fraction form
    42,001.99/57,962.74 = 23,139.11/x
  3. Step 3: Cross multiply
    42,001.99x = 57,962.74 × 23,139.11
  4. Step 4: Simplify right side
    42,001.99x = 1,341,206,216.76
  5. Step 5: Solve for x
    x = 1,341,206,216.76/42,001.99
  6. Step 6: Final answer
    x = 31,931.97

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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.