Home / 61,921.80-92,880.18-28,630.92

Finding the Fourth Proportional to 61,921.80, 92,880.18 and 28,630.92

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Solution

The fourth proportional to 61,921.80, 92,880.18 and 28,630.92 is: 42,945.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,921.80 : 92,880.18 = 28,630.92 : x
  2. Step 2: Convert to fraction form
    61,921.80/92,880.18 = 28,630.92/x
  3. Step 3: Cross multiply
    61,921.80x = 92,880.18 × 28,630.92
  4. Step 4: Simplify right side
    61,921.80x = 2,659,245,003.17
  5. Step 5: Solve for x
    x = 2,659,245,003.17/61,921.80
  6. Step 6: Final answer
    x = 42,945.21

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1.5x scale

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.