Home / 47,504.40-65,545.20-28,381.14

Finding the Fourth Proportional to 47,504.40, 65,545.20 and 28,381.14

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Solution

The fourth proportional to 47,504.40, 65,545.20 and 28,381.14 is: 39,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,504.40 : 65,545.20 = 28,381.14 : x
  2. Step 2: Convert to fraction form
    47,504.40/65,545.20 = 28,381.14/x
  3. Step 3: Cross multiply
    47,504.40x = 65,545.20 × 28,381.14
  4. Step 4: Simplify right side
    47,504.40x = 1,860,247,497.53
  5. Step 5: Solve for x
    x = 1,860,247,497.53/47,504.40
  6. Step 6: Final answer
    x = 39,159.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.