Home / 52,134.39-78,189.58-31,080.36

Finding the Fourth Proportional to 52,134.39, 78,189.58 and 31,080.36

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Solution

The fourth proportional to 52,134.39, 78,189.58 and 31,080.36 is: 46,613.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,134.39 : 78,189.58 = 31,080.36 : x
  2. Step 2: Convert to fraction form
    52,134.39/78,189.58 = 31,080.36/x
  3. Step 3: Cross multiply
    52,134.39x = 78,189.58 × 31,080.36
  4. Step 4: Simplify right side
    52,134.39x = 2,430,160,294.65
  5. Step 5: Solve for x
    x = 2,430,160,294.65/52,134.39
  6. Step 6: Final answer
    x = 46,613.38

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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.