Home / 36,437.76-50,278.56-20,521.20

Finding the Fourth Proportional to 36,437.76, 50,278.56 and 20,521.20

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Solution

The fourth proportional to 36,437.76, 50,278.56 and 20,521.20 is: 28,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,437.76 : 50,278.56 = 20,521.20 : x
  2. Step 2: Convert to fraction form
    36,437.76/50,278.56 = 20,521.20/x
  3. Step 3: Cross multiply
    36,437.76x = 50,278.56 × 20,521.20
  4. Step 4: Simplify right side
    36,437.76x = 1,031,776,385.47
  5. Step 5: Solve for x
    x = 1,031,776,385.47/36,437.76
  6. Step 6: Final answer
    x = 28,316.13

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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.