Home / 31,503.20-43,476.88-17,358.58

Finding the Fourth Proportional to 31,503.20, 43,476.88 and 17,358.58

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Solution

The fourth proportional to 31,503.20, 43,476.88 and 17,358.58 is: 23,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503.20 : 43,476.88 = 17,358.58 : x
  2. Step 2: Convert to fraction form
    31,503.20/43,476.88 = 17,358.58/x
  3. Step 3: Cross multiply
    31,503.20x = 43,476.88 × 17,358.58
  4. Step 4: Simplify right side
    31,503.20x = 754,696,899.63
  5. Step 5: Solve for x
    x = 754,696,899.63/31,503.20
  6. Step 6: Final answer
    x = 23,956.20

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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.