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Finding the Fourth Proportional to 55,797.52, 77,061 and 34,627.28

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Solution

The fourth proportional to 55,797.52, 77,061 and 34,627.28 is: 47,823.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,797.52 : 77,061 = 34,627.28 : x
  2. Step 2: Convert to fraction form
    55,797.52/77,061 = 34,627.28/x
  3. Step 3: Cross multiply
    55,797.52x = 77,061 × 34,627.28
  4. Step 4: Simplify right side
    55,797.52x = 2,668,412,824.08
  5. Step 5: Solve for x
    x = 2,668,412,824.08/55,797.52
  6. Step 6: Final answer
    x = 47,823.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.