Home / 41,981.10-62,970.30-13,902.45

Finding the Fourth Proportional to 41,981.10, 62,970.30 and 13,902.45

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Solution

The fourth proportional to 41,981.10, 62,970.30 and 13,902.45 is: 20,853.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,981.10 : 62,970.30 = 13,902.45 : x
  2. Step 2: Convert to fraction form
    41,981.10/62,970.30 = 13,902.45/x
  3. Step 3: Cross multiply
    41,981.10x = 62,970.30 × 13,902.45
  4. Step 4: Simplify right side
    41,981.10x = 875,441,447.24
  5. Step 5: Solve for x
    x = 875,441,447.24/41,981.10
  6. Step 6: Final answer
    x = 20,853.23

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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.