Home / 51,780.78-77,748.93-29,619.18

Finding the Fourth Proportional to 51,780.78, 77,748.93 and 29,619.18

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Solution

The fourth proportional to 51,780.78, 77,748.93 and 29,619.18 is: 44,473.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,780.78 : 77,748.93 = 29,619.18 : x
  2. Step 2: Convert to fraction form
    51,780.78/77,748.93 = 29,619.18/x
  3. Step 3: Cross multiply
    51,780.78x = 77,748.93 × 29,619.18
  4. Step 4: Simplify right side
    51,780.78x = 2,302,859,552.48
  5. Step 5: Solve for x
    x = 2,302,859,552.48/51,780.78
  6. Step 6: Final answer
    x = 44,473.25

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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.