Home / 53,670.12-80,521.20-25,625.76

Finding the Fourth Proportional to 53,670.12, 80,521.20 and 25,625.76

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Solution

The fourth proportional to 53,670.12, 80,521.20 and 25,625.76 is: 38,446.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,670.12 : 80,521.20 = 25,625.76 : x
  2. Step 2: Convert to fraction form
    53,670.12/80,521.20 = 25,625.76/x
  3. Step 3: Cross multiply
    53,670.12x = 80,521.20 × 25,625.76
  4. Step 4: Simplify right side
    53,670.12x = 2,063,416,946.11
  5. Step 5: Solve for x
    x = 2,063,416,946.11/53,670.12
  6. Step 6: Final answer
    x = 38,446.29

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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.