Home / 31,439,549.72-43,386,134.21-17,688,481.04

Finding the Fourth Proportional to 31,439,549.72, 43,386,134.21 and 17,688,481.04

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Solution

The fourth proportional to 31,439,549.72, 43,386,134.21 and 17,688,481.04 is: 24,409,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,439,549.72 : 43,386,134.21 = 17,688,481.04 : x
  2. Step 2: Convert to fraction form
    31,439,549.72/43,386,134.21 = 17,688,481.04/x
  3. Step 3: Cross multiply
    31,439,549.72x = 43,386,134.21 × 17,688,481.04
  4. Step 4: Simplify right side
    31,439,549.72x = 767,434,812,067,107.25
  5. Step 5: Solve for x
    x = 767,434,812,067,107.25/31,439,549.72
  6. Step 6: Final answer
    x = 24,409,853.80

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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.