Home / 31,484.28-43,448.20-17,337.12

Finding the Fourth Proportional to 31,484.28, 43,448.20 and 17,337.12

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Solution

The fourth proportional to 31,484.28, 43,448.20 and 17,337.12 is: 23,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,484.28 : 43,448.20 = 17,337.12 : x
  2. Step 2: Convert to fraction form
    31,484.28/43,448.20 = 17,337.12/x
  3. Step 3: Cross multiply
    31,484.28x = 43,448.20 × 17,337.12
  4. Step 4: Simplify right side
    31,484.28x = 753,266,657.18
  5. Step 5: Solve for x
    x = 753,266,657.18/31,484.28
  6. Step 6: Final answer
    x = 23,925.17

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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.