Home / 31,681.62-43,720.02-17,534.57

Finding the Fourth Proportional to 31,681.62, 43,720.02 and 17,534.57

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Solution

The fourth proportional to 31,681.62, 43,720.02 and 17,534.57 is: 24,197.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,681.62 : 43,720.02 = 17,534.57 : x
  2. Step 2: Convert to fraction form
    31,681.62/43,720.02 = 17,534.57/x
  3. Step 3: Cross multiply
    31,681.62x = 43,720.02 × 17,534.57
  4. Step 4: Simplify right side
    31,681.62x = 766,611,532.49
  5. Step 5: Solve for x
    x = 766,611,532.49/31,681.62
  6. Step 6: Final answer
    x = 24,197.36

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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.