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Finding the Fourth Proportional to 55,604, 83,392.88 and 18,154.40

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Solution

The fourth proportional to 55,604, 83,392.88 and 18,154.40 is: 27,227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,604 : 83,392.88 = 18,154.40 : x
  2. Step 2: Convert to fraction form
    55,604/83,392.88 = 18,154.40/x
  3. Step 3: Cross multiply
    55,604x = 83,392.88 × 18,154.40
  4. Step 4: Simplify right side
    55,604x = 1,513,947,700.67
  5. Step 5: Solve for x
    x = 1,513,947,700.67/55,604
  6. Step 6: Final answer
    x = 27,227.32

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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.