Home / 42,020.01-57,987.63-23,157.14

Finding the Fourth Proportional to 42,020.01, 57,987.63 and 23,157.14

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Solution

The fourth proportional to 42,020.01, 57,987.63 and 23,157.14 is: 31,956.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,020.01 : 57,987.63 = 23,157.14 : x
  2. Step 2: Convert to fraction form
    42,020.01/57,987.63 = 23,157.14/x
  3. Step 3: Cross multiply
    42,020.01x = 57,987.63 × 23,157.14
  4. Step 4: Simplify right side
    42,020.01x = 1,342,827,376.24
  5. Step 5: Solve for x
    x = 1,342,827,376.24/42,020.01
  6. Step 6: Final answer
    x = 31,956.86

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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.