Home / 31,639.59-43,660.65-17,492.46

Finding the Fourth Proportional to 31,639.59, 43,660.65 and 17,492.46

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Solution

The fourth proportional to 31,639.59, 43,660.65 and 17,492.46 is: 24,138.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,639.59 : 43,660.65 = 17,492.46 : x
  2. Step 2: Convert to fraction form
    31,639.59/43,660.65 = 17,492.46/x
  3. Step 3: Cross multiply
    31,639.59x = 43,660.65 × 17,492.46
  4. Step 4: Simplify right side
    31,639.59x = 763,732,173.70
  5. Step 5: Solve for x
    x = 763,732,173.70/31,639.59
  6. Step 6: Final answer
    x = 24,138.50

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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.