Home / 31,040.34-42,834.40-17,611.30

Finding the Fourth Proportional to 31,040.34, 42,834.40 and 17,611.30

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Solution

The fourth proportional to 31,040.34, 42,834.40 and 17,611.30 is: 24,302.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,040.34 : 42,834.40 = 17,611.30 : x
  2. Step 2: Convert to fraction form
    31,040.34/42,834.40 = 17,611.30/x
  3. Step 3: Cross multiply
    31,040.34x = 42,834.40 × 17,611.30
  4. Step 4: Simplify right side
    31,040.34x = 754,369,583.07
  5. Step 5: Solve for x
    x = 754,369,583.07/31,040.34
  6. Step 6: Final answer
    x = 24,302.88

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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.