Home / 31,270.12-46,909.98-12,550.12

Finding the Fourth Proportional to 31,270.12, 46,909.98 and 12,550.12

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Solution

The fourth proportional to 31,270.12, 46,909.98 and 12,550.12 is: 18,827.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,270.12 : 46,909.98 = 12,550.12 : x
  2. Step 2: Convert to fraction form
    31,270.12/46,909.98 = 12,550.12/x
  3. Step 3: Cross multiply
    31,270.12x = 46,909.98 × 12,550.12
  4. Step 4: Simplify right side
    31,270.12x = 588,725,878.20
  5. Step 5: Solve for x
    x = 588,725,878.20/31,270.12
  6. Step 6: Final answer
    x = 18,827.11

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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.