Home / 74,444.32-111,649.20-21,839.68

Finding the Fourth Proportional to 74,444.32, 111,649.20 and 21,839.68

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Solution

The fourth proportional to 74,444.32, 111,649.20 and 21,839.68 is: 32,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,444.32 : 111,649.20 = 21,839.68 : x
  2. Step 2: Convert to fraction form
    74,444.32/111,649.20 = 21,839.68/x
  3. Step 3: Cross multiply
    74,444.32x = 111,649.20 × 21,839.68
  4. Step 4: Simplify right side
    74,444.32x = 2,438,382,800.26
  5. Step 5: Solve for x
    x = 2,438,382,800.26/74,444.32
  6. Step 6: Final answer
    x = 32,754.45

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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.