Home / 42,038.13-57,979.79-26,932.19

Finding the Fourth Proportional to 42,038.13, 57,979.79 and 26,932.19

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Solution

The fourth proportional to 42,038.13, 57,979.79 and 26,932.19 is: 37,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,038.13 : 57,979.79 = 26,932.19 : x
  2. Step 2: Convert to fraction form
    42,038.13/57,979.79 = 26,932.19/x
  3. Step 3: Cross multiply
    42,038.13x = 57,979.79 × 26,932.19
  4. Step 4: Simplify right side
    42,038.13x = 1,561,522,430.54
  5. Step 5: Solve for x
    x = 1,561,522,430.54/42,038.13
  6. Step 6: Final answer
    x = 37,145.38

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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.