Home / 39,280.80-58,921.75-11,200.87

Finding the Fourth Proportional to 39,280.80, 58,921.75 and 11,200.87

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Solution

The fourth proportional to 39,280.80, 58,921.75 and 11,200.87 is: 16,801.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,280.80 : 58,921.75 = 11,200.87 : x
  2. Step 2: Convert to fraction form
    39,280.80/58,921.75 = 11,200.87/x
  3. Step 3: Cross multiply
    39,280.80x = 58,921.75 × 11,200.87
  4. Step 4: Simplify right side
    39,280.80x = 659,974,618.14
  5. Step 5: Solve for x
    x = 659,974,618.14/39,280.80
  6. Step 6: Final answer
    x = 16,801.45

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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.