Home / 51,780.53-71,459.72-29,126.66

Finding the Fourth Proportional to 51,780.53, 71,459.72 and 29,126.66

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Solution

The fourth proportional to 51,780.53, 71,459.72 and 29,126.66 is: 40,196.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,780.53 : 71,459.72 = 29,126.66 : x
  2. Step 2: Convert to fraction form
    51,780.53/71,459.72 = 29,126.66/x
  3. Step 3: Cross multiply
    51,780.53x = 71,459.72 × 29,126.66
  4. Step 4: Simplify right side
    51,780.53x = 2,081,382,574.43
  5. Step 5: Solve for x
    x = 2,081,382,574.43/51,780.53
  6. Step 6: Final answer
    x = 40,196.24

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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.