Home / 31,417.18-43,356.30-17,270.02

Finding the Fourth Proportional to 31,417.18, 43,356.30 and 17,270.02

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Solution

The fourth proportional to 31,417.18, 43,356.30 and 17,270.02 is: 23,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,417.18 : 43,356.30 = 17,270.02 : x
  2. Step 2: Convert to fraction form
    31,417.18/43,356.30 = 17,270.02/x
  3. Step 3: Cross multiply
    31,417.18x = 43,356.30 × 17,270.02
  4. Step 4: Simplify right side
    31,417.18x = 748,764,168.13
  5. Step 5: Solve for x
    x = 748,764,168.13/31,417.18
  6. Step 6: Final answer
    x = 23,832.95

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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.