Home / 53,378.30-73,658.90-29,503.55

Finding the Fourth Proportional to 53,378.30, 73,658.90 and 29,503.55

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Solution

The fourth proportional to 53,378.30, 73,658.90 and 29,503.55 is: 40,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,378.30 : 73,658.90 = 29,503.55 : x
  2. Step 2: Convert to fraction form
    53,378.30/73,658.90 = 29,503.55/x
  3. Step 3: Cross multiply
    53,378.30x = 73,658.90 × 29,503.55
  4. Step 4: Simplify right side
    53,378.30x = 2,173,198,523.28
  5. Step 5: Solve for x
    x = 2,173,198,523.28/53,378.30
  6. Step 6: Final answer
    x = 40,713.15

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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.