Home / 51,652.82-77,479.01-18,374.13

Finding the Fourth Proportional to 51,652.82, 77,479.01 and 18,374.13

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Solution

The fourth proportional to 51,652.82, 77,479.01 and 18,374.13 is: 27,561.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,652.82 : 77,479.01 = 18,374.13 : x
  2. Step 2: Convert to fraction form
    51,652.82/77,479.01 = 18,374.13/x
  3. Step 3: Cross multiply
    51,652.82x = 77,479.01 × 18,374.13
  4. Step 4: Simplify right side
    51,652.82x = 1,423,609,310.14
  5. Step 5: Solve for x
    x = 1,423,609,310.14/51,652.82
  6. Step 6: Final answer
    x = 27,561.12

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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.