Home / 51,780.76-77,748.90-29,619.16

Finding the Fourth Proportional to 51,780.76, 77,748.90 and 29,619.16

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Solution

The fourth proportional to 51,780.76, 77,748.90 and 29,619.16 is: 44,473.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,780.76 : 77,748.90 = 29,619.16 : x
  2. Step 2: Convert to fraction form
    51,780.76/77,748.90 = 29,619.16/x
  3. Step 3: Cross multiply
    51,780.76x = 77,748.90 × 29,619.16
  4. Step 4: Simplify right side
    51,780.76x = 2,302,857,108.92
  5. Step 5: Solve for x
    x = 2,302,857,108.92/51,780.76
  6. Step 6: Final answer
    x = 44,473.22

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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.