Home / 57,559.48-86,335-18,127.87

Finding the Fourth Proportional to 57,559.48, 86,335 and 18,127.87

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Solution

The fourth proportional to 57,559.48, 86,335 and 18,127.87 is: 27,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,559.48 : 86,335 = 18,127.87 : x
  2. Step 2: Convert to fraction form
    57,559.48/86,335 = 18,127.87/x
  3. Step 3: Cross multiply
    57,559.48x = 86,335 × 18,127.87
  4. Step 4: Simplify right side
    57,559.48x = 1,565,069,224.78
  5. Step 5: Solve for x
    x = 1,565,069,224.78/57,559.48
  6. Step 6: Final answer
    x = 27,190.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.