Home / 53,657.92-80,503.36-25,613.76

Finding the Fourth Proportional to 53,657.92, 80,503.36 and 25,613.76

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Solution

The fourth proportional to 53,657.92, 80,503.36 and 25,613.76 is: 38,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,657.92 : 80,503.36 = 25,613.76 : x
  2. Step 2: Convert to fraction form
    53,657.92/80,503.36 = 25,613.76/x
  3. Step 3: Cross multiply
    53,657.92x = 80,503.36 × 25,613.76
  4. Step 4: Simplify right side
    53,657.92x = 2,061,993,742.23
  5. Step 5: Solve for x
    x = 2,061,993,742.23/53,657.92
  6. Step 6: Final answer
    x = 38,428.51

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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.