Home / 42,020.08-57,987.42-23,157.22

Finding the Fourth Proportional to 42,020.08, 57,987.42 and 23,157.22

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Solution

The fourth proportional to 42,020.08, 57,987.42 and 23,157.22 is: 31,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,020.08 : 57,987.42 = 23,157.22 : x
  2. Step 2: Convert to fraction form
    42,020.08/57,987.42 = 23,157.22/x
  3. Step 3: Cross multiply
    42,020.08x = 57,987.42 × 23,157.22
  4. Step 4: Simplify right side
    42,020.08x = 1,342,827,442.17
  5. Step 5: Solve for x
    x = 1,342,827,442.17/42,020.08
  6. Step 6: Final answer
    x = 31,956.80

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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.