Home / 55,663.17-83,189.15-40,701.80

Finding the Fourth Proportional to 55,663.17, 83,189.15 and 40,701.80

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Solution

The fourth proportional to 55,663.17, 83,189.15 and 40,701.80 is: 60,829.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,663.17 : 83,189.15 = 40,701.80 : x
  2. Step 2: Convert to fraction form
    55,663.17/83,189.15 = 40,701.80/x
  3. Step 3: Cross multiply
    55,663.17x = 83,189.15 × 40,701.80
  4. Step 4: Simplify right side
    55,663.17x = 3,385,947,526.02
  5. Step 5: Solve for x
    x = 3,385,947,526.02/55,663.17
  6. Step 6: Final answer
    x = 60,829.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.