Home / 51,207.38-76,810.95-13,767.45

Finding the Fourth Proportional to 51,207.38, 76,810.95 and 13,767.45

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Solution

The fourth proportional to 51,207.38, 76,810.95 and 13,767.45 is: 20,651.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,207.38 : 76,810.95 = 13,767.45 : x
  2. Step 2: Convert to fraction form
    51,207.38/76,810.95 = 13,767.45/x
  3. Step 3: Cross multiply
    51,207.38x = 76,810.95 × 13,767.45
  4. Step 4: Simplify right side
    51,207.38x = 1,057,490,913.58
  5. Step 5: Solve for x
    x = 1,057,490,913.58/51,207.38
  6. Step 6: Final answer
    x = 20,651.14

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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.