Home / 55,601.20-83,401.80-36,906.40

Finding the Fourth Proportional to 55,601.20, 83,401.80 and 36,906.40

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Solution

The fourth proportional to 55,601.20, 83,401.80 and 36,906.40 is: 55,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,601.20 : 83,401.80 = 36,906.40 : x
  2. Step 2: Convert to fraction form
    55,601.20/83,401.80 = 36,906.40/x
  3. Step 3: Cross multiply
    55,601.20x = 83,401.80 × 36,906.40
  4. Step 4: Simplify right side
    55,601.20x = 3,078,060,191.52
  5. Step 5: Solve for x
    x = 3,078,060,191.52/55,601.20
  6. Step 6: Final answer
    x = 55,359.60

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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.