Home / 52,128.47-78,132.23-23,989.45

Finding the Fourth Proportional to 52,128.47, 78,132.23 and 23,989.45

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Solution

The fourth proportional to 52,128.47, 78,132.23 and 23,989.45 is: 35,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,128.47 : 78,132.23 = 23,989.45 : x
  2. Step 2: Convert to fraction form
    52,128.47/78,132.23 = 23,989.45/x
  3. Step 3: Cross multiply
    52,128.47x = 78,132.23 × 23,989.45
  4. Step 4: Simplify right side
    52,128.47x = 1,874,349,224.97
  5. Step 5: Solve for x
    x = 1,874,349,224.97/52,128.47
  6. Step 6: Final answer
    x = 35,956.34

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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.