Home / 31,714.08-47,567.00-11,990.07

Finding the Fourth Proportional to 31,714.08, 47,567.00 and 11,990.07

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Solution

The fourth proportional to 31,714.08, 47,567.00 and 11,990.07 is: 17,983.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,714.08 : 47,567.00 = 11,990.07 : x
  2. Step 2: Convert to fraction form
    31,714.08/47,567.00 = 11,990.07/x
  3. Step 3: Cross multiply
    31,714.08x = 47,567.00 × 11,990.07
  4. Step 4: Simplify right side
    31,714.08x = 570,331,599.74
  5. Step 5: Solve for x
    x = 570,331,599.74/31,714.08
  6. Step 6: Final answer
    x = 17,983.55

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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.