Home / 31,718.08-47,577.48-8,346.88

Finding the Fourth Proportional to 31,718.08, 47,577.48 and 8,346.88

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Solution

The fourth proportional to 31,718.08, 47,577.48 and 8,346.88 is: 12,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,718.08 : 47,577.48 = 8,346.88 : x
  2. Step 2: Convert to fraction form
    31,718.08/47,577.48 = 8,346.88/x
  3. Step 3: Cross multiply
    31,718.08x = 47,577.48 × 8,346.88
  4. Step 4: Simplify right side
    31,718.08x = 397,123,516.26
  5. Step 5: Solve for x
    x = 397,123,516.26/31,718.08
  6. Step 6: Final answer
    x = 12,520.41

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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.