Home / 31,102.04-42,915.24-17,486.18

Finding the Fourth Proportional to 31,102.04, 42,915.24 and 17,486.18

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Solution

The fourth proportional to 31,102.04, 42,915.24 and 17,486.18 is: 24,127.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,102.04 : 42,915.24 = 17,486.18 : x
  2. Step 2: Convert to fraction form
    31,102.04/42,915.24 = 17,486.18/x
  3. Step 3: Cross multiply
    31,102.04x = 42,915.24 × 17,486.18
  4. Step 4: Simplify right side
    31,102.04x = 750,423,429.64
  5. Step 5: Solve for x
    x = 750,423,429.64/31,102.04
  6. Step 6: Final answer
    x = 24,127.78

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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.