Home / 31,506.84-43,479.18-17,359.20

Finding the Fourth Proportional to 31,506.84, 43,479.18 and 17,359.20

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Solution

The fourth proportional to 31,506.84, 43,479.18 and 17,359.20 is: 23,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.84 : 43,479.18 = 17,359.20 : x
  2. Step 2: Convert to fraction form
    31,506.84/43,479.18 = 17,359.20/x
  3. Step 3: Cross multiply
    31,506.84x = 43,479.18 × 17,359.20
  4. Step 4: Simplify right side
    31,506.84x = 754,763,781.46
  5. Step 5: Solve for x
    x = 754,763,781.46/31,506.84
  6. Step 6: Final answer
    x = 23,955.55

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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.