Home / 40,009.32-59,920.56-31,633.08

Finding the Fourth Proportional to 40,009.32, 59,920.56 and 31,633.08

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Solution

The fourth proportional to 40,009.32, 59,920.56 and 31,633.08 is: 47,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,009.32 : 59,920.56 = 31,633.08 : x
  2. Step 2: Convert to fraction form
    40,009.32/59,920.56 = 31,633.08/x
  3. Step 3: Cross multiply
    40,009.32x = 59,920.56 × 31,633.08
  4. Step 4: Simplify right side
    40,009.32x = 1,895,471,868.12
  5. Step 5: Solve for x
    x = 1,895,471,868.12/40,009.32
  6. Step 6: Final answer
    x = 47,375.76

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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.