Home / 31,536.12-47,298.08-10,472.88

Finding the Fourth Proportional to 31,536.12, 47,298.08 and 10,472.88

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Solution

The fourth proportional to 31,536.12, 47,298.08 and 10,472.88 is: 15,707.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536.12 : 47,298.08 = 10,472.88 : x
  2. Step 2: Convert to fraction form
    31,536.12/47,298.08 = 10,472.88/x
  3. Step 3: Cross multiply
    31,536.12x = 47,298.08 × 10,472.88
  4. Step 4: Simplify right side
    31,536.12x = 495,347,116.07
  5. Step 5: Solve for x
    x = 495,347,116.07/31,536.12
  6. Step 6: Final answer
    x = 15,707.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.