Home / 38,024.11-56,980.69-21,388.78

Finding the Fourth Proportional to 38,024.11, 56,980.69 and 21,388.78

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Solution

The fourth proportional to 38,024.11, 56,980.69 and 21,388.78 is: 32,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,024.11 : 56,980.69 = 21,388.78 : x
  2. Step 2: Convert to fraction form
    38,024.11/56,980.69 = 21,388.78/x
  3. Step 3: Cross multiply
    38,024.11x = 56,980.69 × 21,388.78
  4. Step 4: Simplify right side
    38,024.11x = 1,218,747,680.83
  5. Step 5: Solve for x
    x = 1,218,747,680.83/38,024.11
  6. Step 6: Final answer
    x = 32,051.97

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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.