Home / 49,280.80-73,921.20-14,221.60

Finding the Fourth Proportional to 49,280.80, 73,921.20 and 14,221.60

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Solution

The fourth proportional to 49,280.80, 73,921.20 and 14,221.60 is: 21,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,280.80 : 73,921.20 = 14,221.60 : x
  2. Step 2: Convert to fraction form
    49,280.80/73,921.20 = 14,221.60/x
  3. Step 3: Cross multiply
    49,280.80x = 73,921.20 × 14,221.60
  4. Step 4: Simplify right side
    49,280.80x = 1,051,277,737.92
  5. Step 5: Solve for x
    x = 1,051,277,737.92/49,280.80
  6. Step 6: Final answer
    x = 21,332.40

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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.