Home / 55,555.20-83,332.80-51,837.30

Finding the Fourth Proportional to 55,555.20, 83,332.80 and 51,837.30

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Solution

The fourth proportional to 55,555.20, 83,332.80 and 51,837.30 is: 77,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,555.20 : 83,332.80 = 51,837.30 : x
  2. Step 2: Convert to fraction form
    55,555.20/83,332.80 = 51,837.30/x
  3. Step 3: Cross multiply
    55,555.20x = 83,332.80 × 51,837.30
  4. Step 4: Simplify right side
    55,555.20x = 4,319,747,353.44
  5. Step 5: Solve for x
    x = 4,319,747,353.44/55,555.20
  6. Step 6: Final answer
    x = 77,755.95

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1.5x scale

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.