Home / 47,545.23-65,616.90-28,425.07

Finding the Fourth Proportional to 47,545.23, 65,616.90 and 28,425.07

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Solution

The fourth proportional to 47,545.23, 65,616.90 and 28,425.07 is: 39,229.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,545.23 : 65,616.90 = 28,425.07 : x
  2. Step 2: Convert to fraction form
    47,545.23/65,616.90 = 28,425.07/x
  3. Step 3: Cross multiply
    47,545.23x = 65,616.90 × 28,425.07
  4. Step 4: Simplify right side
    47,545.23x = 1,865,164,975.68
  5. Step 5: Solve for x
    x = 1,865,164,975.68/47,545.23
  6. Step 6: Final answer
    x = 39,229.28

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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.