Home / 31,747.04-47,587.08-13,018.76

Finding the Fourth Proportional to 31,747.04, 47,587.08 and 13,018.76

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Solution

The fourth proportional to 31,747.04, 47,587.08 and 13,018.76 is: 19,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,747.04 : 47,587.08 = 13,018.76 : x
  2. Step 2: Convert to fraction form
    31,747.04/47,587.08 = 13,018.76/x
  3. Step 3: Cross multiply
    31,747.04x = 47,587.08 × 13,018.76
  4. Step 4: Simplify right side
    31,747.04x = 619,524,773.62
  5. Step 5: Solve for x
    x = 619,524,773.62/31,747.04
  6. Step 6: Final answer
    x = 19,514.41

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1.5x scale

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.