Home / 51,657.50-77,476.08-14,207.96

Finding the Fourth Proportional to 51,657.50, 77,476.08 and 14,207.96

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Solution

The fourth proportional to 51,657.50, 77,476.08 and 14,207.96 is: 21,309.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,657.50 : 77,476.08 = 14,207.96 : x
  2. Step 2: Convert to fraction form
    51,657.50/77,476.08 = 14,207.96/x
  3. Step 3: Cross multiply
    51,657.50x = 77,476.08 × 14,207.96
  4. Step 4: Simplify right side
    51,657.50x = 1,100,777,045.60
  5. Step 5: Solve for x
    x = 1,100,777,045.60/51,657.50
  6. Step 6: Final answer
    x = 21,309.14

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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.