Home / 42,020.80-57,988.19-23,157.52

Finding the Fourth Proportional to 42,020.80, 57,988.19 and 23,157.52

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Solution

The fourth proportional to 42,020.80, 57,988.19 and 23,157.52 is: 31,957.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,020.80 : 57,988.19 = 23,157.52 : x
  2. Step 2: Convert to fraction form
    42,020.80/57,988.19 = 23,157.52/x
  3. Step 3: Cross multiply
    42,020.80x = 57,988.19 × 23,157.52
  4. Step 4: Simplify right side
    42,020.80x = 1,342,862,669.69
  5. Step 5: Solve for x
    x = 1,342,862,669.69/42,020.80
  6. Step 6: Final answer
    x = 31,957.09

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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.