Home / 31,609.62-47,416.86-11,887.74

Finding the Fourth Proportional to 31,609.62, 47,416.86 and 11,887.74

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Solution

The fourth proportional to 31,609.62, 47,416.86 and 11,887.74 is: 17,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,609.62 : 47,416.86 = 11,887.74 : x
  2. Step 2: Convert to fraction form
    31,609.62/47,416.86 = 11,887.74/x
  3. Step 3: Cross multiply
    31,609.62x = 47,416.86 × 11,887.74
  4. Step 4: Simplify right side
    31,609.62x = 563,679,303.30
  5. Step 5: Solve for x
    x = 563,679,303.30/31,609.62
  6. Step 6: Final answer
    x = 17,832.52

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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.