Home / 50,812.40-76,218.60-47,961.20

Finding the Fourth Proportional to 50,812.40, 76,218.60 and 47,961.20

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Solution

The fourth proportional to 50,812.40, 76,218.60 and 47,961.20 is: 71,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,812.40 : 76,218.60 = 47,961.20 : x
  2. Step 2: Convert to fraction form
    50,812.40/76,218.60 = 47,961.20/x
  3. Step 3: Cross multiply
    50,812.40x = 76,218.60 × 47,961.20
  4. Step 4: Simplify right side
    50,812.40x = 3,655,535,518.32
  5. Step 5: Solve for x
    x = 3,655,535,518.32/50,812.40
  6. Step 6: Final answer
    x = 71,941.80

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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.