Home / 40,925.20-61,373.40-14,630.80

Finding the Fourth Proportional to 40,925.20, 61,373.40 and 14,630.80

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Solution

The fourth proportional to 40,925.20, 61,373.40 and 14,630.80 is: 21,941.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,925.20 : 61,373.40 = 14,630.80 : x
  2. Step 2: Convert to fraction form
    40,925.20/61,373.40 = 14,630.80/x
  3. Step 3: Cross multiply
    40,925.20x = 61,373.40 × 14,630.80
  4. Step 4: Simplify right side
    40,925.20x = 897,941,940.72
  5. Step 5: Solve for x
    x = 897,941,940.72/40,925.20
  6. Step 6: Final answer
    x = 21,941.05

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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.