Home / 47,776.20-71,678.70-25,600.20

Finding the Fourth Proportional to 47,776.20, 71,678.70 and 25,600.20

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Solution

The fourth proportional to 47,776.20, 71,678.70 and 25,600.20 is: 38,408.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,776.20 : 71,678.70 = 25,600.20 : x
  2. Step 2: Convert to fraction form
    47,776.20/71,678.70 = 25,600.20/x
  3. Step 3: Cross multiply
    47,776.20x = 71,678.70 × 25,600.20
  4. Step 4: Simplify right side
    47,776.20x = 1,834,989,055.74
  5. Step 5: Solve for x
    x = 1,834,989,055.74/47,776.20
  6. Step 6: Final answer
    x = 38,408.02

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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.