Home / 42,020.44-57,988.08-23,157.56

Finding the Fourth Proportional to 42,020.44, 57,988.08 and 23,157.56

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Solution

The fourth proportional to 42,020.44, 57,988.08 and 23,157.56 is: 31,957.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,020.44 : 57,988.08 = 23,157.56 : x
  2. Step 2: Convert to fraction form
    42,020.44/57,988.08 = 23,157.56/x
  3. Step 3: Cross multiply
    42,020.44x = 57,988.08 × 23,157.56
  4. Step 4: Simplify right side
    42,020.44x = 1,342,862,441.88
  5. Step 5: Solve for x
    x = 1,342,862,441.88/42,020.44
  6. Step 6: Final answer
    x = 31,957.36

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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.