Home / 31,586.69-47,407.32-12,877.04

Finding the Fourth Proportional to 31,586.69, 47,407.32 and 12,877.04

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Solution

The fourth proportional to 31,586.69, 47,407.32 and 12,877.04 is: 19,326.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,586.69 : 47,407.32 = 12,877.04 : x
  2. Step 2: Convert to fraction form
    31,586.69/47,407.32 = 12,877.04/x
  3. Step 3: Cross multiply
    31,586.69x = 47,407.32 × 12,877.04
  4. Step 4: Simplify right side
    31,586.69x = 610,465,718.90
  5. Step 5: Solve for x
    x = 610,465,718.90/31,586.69
  6. Step 6: Final answer
    x = 19,326.68

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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.