Home / 42,234.81-63,264.47-20,065.65

Finding the Fourth Proportional to 42,234.81, 63,264.47 and 20,065.65

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Solution

The fourth proportional to 42,234.81, 63,264.47 and 20,065.65 is: 30,056.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,234.81 : 63,264.47 = 20,065.65 : x
  2. Step 2: Convert to fraction form
    42,234.81/63,264.47 = 20,065.65/x
  3. Step 3: Cross multiply
    42,234.81x = 63,264.47 × 20,065.65
  4. Step 4: Simplify right side
    42,234.81x = 1,269,442,612.13
  5. Step 5: Solve for x
    x = 1,269,442,612.13/42,234.81
  6. Step 6: Final answer
    x = 30,056.79

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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.