Home / 31,814.85-47,649.59-15,186.59

Finding the Fourth Proportional to 31,814.85, 47,649.59 and 15,186.59

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Solution

The fourth proportional to 31,814.85, 47,649.59 and 15,186.59 is: 22,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,814.85 : 47,649.59 = 15,186.59 : x
  2. Step 2: Convert to fraction form
    31,814.85/47,649.59 = 15,186.59/x
  3. Step 3: Cross multiply
    31,814.85x = 47,649.59 × 15,186.59
  4. Step 4: Simplify right side
    31,814.85x = 723,634,586.72
  5. Step 5: Solve for x
    x = 723,634,586.72/31,814.85
  6. Step 6: Final answer
    x = 22,745.18

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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.