Home / 39,280.04-58,920.62-11,200.10

Finding the Fourth Proportional to 39,280.04, 58,920.62 and 11,200.10

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Solution

The fourth proportional to 39,280.04, 58,920.62 and 11,200.10 is: 16,800.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,280.04 : 58,920.62 = 11,200.10 : x
  2. Step 2: Convert to fraction form
    39,280.04/58,920.62 = 11,200.10/x
  3. Step 3: Cross multiply
    39,280.04x = 58,920.62 × 11,200.10
  4. Step 4: Simplify right side
    39,280.04x = 659,916,816.89
  5. Step 5: Solve for x
    x = 659,916,816.89/39,280.04
  6. Step 6: Final answer
    x = 16,800.31

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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.