Home / 31,865.04-43,972.14-17,715.12

Finding the Fourth Proportional to 31,865.04, 43,972.14 and 17,715.12

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Solution

The fourth proportional to 31,865.04, 43,972.14 and 17,715.12 is: 24,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,865.04 : 43,972.14 = 17,715.12 : x
  2. Step 2: Convert to fraction form
    31,865.04/43,972.14 = 17,715.12/x
  3. Step 3: Cross multiply
    31,865.04x = 43,972.14 × 17,715.12
  4. Step 4: Simplify right side
    31,865.04x = 778,971,736.76
  5. Step 5: Solve for x
    x = 778,971,736.76/31,865.04
  6. Step 6: Final answer
    x = 24,445.97

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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.