Home / 55,722.60-76,897.38-30,572.52

Finding the Fourth Proportional to 55,722.60, 76,897.38 and 30,572.52

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Solution

The fourth proportional to 55,722.60, 76,897.38 and 30,572.52 is: 42,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,722.60 : 76,897.38 = 30,572.52 : x
  2. Step 2: Convert to fraction form
    55,722.60/76,897.38 = 30,572.52/x
  3. Step 3: Cross multiply
    55,722.60x = 76,897.38 × 30,572.52
  4. Step 4: Simplify right side
    55,722.60x = 2,350,946,688.00
  5. Step 5: Solve for x
    x = 2,350,946,688.00/55,722.60
  6. Step 6: Final answer
    x = 42,190.18

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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.