Home / 61,436.55-92,154.21-28,147.17

Finding the Fourth Proportional to 61,436.55, 92,154.21 and 28,147.17

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Solution

The fourth proportional to 61,436.55, 92,154.21 and 28,147.17 is: 42,220.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,436.55 : 92,154.21 = 28,147.17 : x
  2. Step 2: Convert to fraction form
    61,436.55/92,154.21 = 28,147.17/x
  3. Step 3: Cross multiply
    61,436.55x = 92,154.21 × 28,147.17
  4. Step 4: Simplify right side
    61,436.55x = 2,593,880,215.09
  5. Step 5: Solve for x
    x = 2,593,880,215.09/61,436.55
  6. Step 6: Final answer
    x = 42,220.47

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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.