Home / 43,292.80-64,939.20-36,731.80

Finding the Fourth Proportional to 43,292.80, 64,939.20 and 36,731.80

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Solution

The fourth proportional to 43,292.80, 64,939.20 and 36,731.80 is: 55,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,292.80 : 64,939.20 = 36,731.80 : x
  2. Step 2: Convert to fraction form
    43,292.80/64,939.20 = 36,731.80/x
  3. Step 3: Cross multiply
    43,292.80x = 64,939.20 × 36,731.80
  4. Step 4: Simplify right side
    43,292.80x = 2,385,333,706.56
  5. Step 5: Solve for x
    x = 2,385,333,706.56/43,292.80
  6. Step 6: Final answer
    x = 55,097.70

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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.