Home / 51,177.38-76,776.48-21,595.16

Finding the Fourth Proportional to 51,177.38, 76,776.48 and 21,595.16

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Solution

The fourth proportional to 51,177.38, 76,776.48 and 21,595.16 is: 32,397.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,177.38 : 76,776.48 = 21,595.16 : x
  2. Step 2: Convert to fraction form
    51,177.38/76,776.48 = 21,595.16/x
  3. Step 3: Cross multiply
    51,177.38x = 76,776.48 × 21,595.16
  4. Step 4: Simplify right side
    51,177.38x = 1,658,000,369.84
  5. Step 5: Solve for x
    x = 1,658,000,369.84/51,177.38
  6. Step 6: Final answer
    x = 32,397.13

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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.