Home / 51,543.80-71,164.56-39,585.68

Finding the Fourth Proportional to 51,543.80, 71,164.56 and 39,585.68

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Solution

The fourth proportional to 51,543.80, 71,164.56 and 39,585.68 is: 54,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,543.80 : 71,164.56 = 39,585.68 : x
  2. Step 2: Convert to fraction form
    51,543.80/71,164.56 = 39,585.68/x
  3. Step 3: Cross multiply
    51,543.80x = 71,164.56 × 39,585.68
  4. Step 4: Simplify right side
    51,543.80x = 2,817,097,499.50
  5. Step 5: Solve for x
    x = 2,817,097,499.50/51,543.80
  6. Step 6: Final answer
    x = 54,654.44

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1.5x scale

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.