Home / 47,876.06-71,877.68-40,900.88

Finding the Fourth Proportional to 47,876.06, 71,877.68 and 40,900.88

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Solution

The fourth proportional to 47,876.06, 71,877.68 and 40,900.88 is: 61,405.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,876.06 : 71,877.68 = 40,900.88 : x
  2. Step 2: Convert to fraction form
    47,876.06/71,877.68 = 40,900.88/x
  3. Step 3: Cross multiply
    47,876.06x = 71,877.68 × 40,900.88
  4. Step 4: Simplify right side
    47,876.06x = 2,939,860,492.93
  5. Step 5: Solve for x
    x = 2,939,860,492.93/47,876.06
  6. Step 6: Final answer
    x = 61,405.64

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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.