Home / 31,872,931.76-43,979,158.50-17,932,352.24

Finding the Fourth Proportional to 31,872,931.76, 43,979,158.50 and 17,932,352.24

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Solution

The fourth proportional to 31,872,931.76, 43,979,158.50 and 17,932,352.24 is: 24,743,558.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872,931.76 : 43,979,158.50 = 17,932,352.24 : x
  2. Step 2: Convert to fraction form
    31,872,931.76/43,979,158.50 = 17,932,352.24/x
  3. Step 3: Cross multiply
    31,872,931.76x = 43,979,158.50 × 17,932,352.24
  4. Step 4: Simplify right side
    31,872,931.76x = 788,649,761,440,790
  5. Step 5: Solve for x
    x = 788,649,761,440,790/31,872,931.76
  6. Step 6: Final answer
    x = 24,743,558.81

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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.