Home / 31,877.59-43,991.13-17,730.46

Finding the Fourth Proportional to 31,877.59, 43,991.13 and 17,730.46

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Solution

The fourth proportional to 31,877.59, 43,991.13 and 17,730.46 is: 24,468.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,877.59 : 43,991.13 = 17,730.46 : x
  2. Step 2: Convert to fraction form
    31,877.59/43,991.13 = 17,730.46/x
  3. Step 3: Cross multiply
    31,877.59x = 43,991.13 × 17,730.46
  4. Step 4: Simplify right side
    31,877.59x = 779,982,970.82
  5. Step 5: Solve for x
    x = 779,982,970.82/31,877.59
  6. Step 6: Final answer
    x = 24,468.07

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1.5x scale

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.