Home / 41,981.74-62,967.18-12,402.70

Finding the Fourth Proportional to 41,981.74, 62,967.18 and 12,402.70

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Solution

The fourth proportional to 41,981.74, 62,967.18 and 12,402.70 is: 18,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,981.74 : 62,967.18 = 12,402.70 : x
  2. Step 2: Convert to fraction form
    41,981.74/62,967.18 = 12,402.70/x
  3. Step 3: Cross multiply
    41,981.74x = 62,967.18 × 12,402.70
  4. Step 4: Simplify right side
    41,981.74x = 780,963,043.39
  5. Step 5: Solve for x
    x = 780,963,043.39/41,981.74
  6. Step 6: Final answer
    x = 18,602.45

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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.