Home / 39,007.50-58,513.68-15,630.90

Finding the Fourth Proportional to 39,007.50, 58,513.68 and 15,630.90

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Solution

The fourth proportional to 39,007.50, 58,513.68 and 15,630.90 is: 23,447.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,007.50 : 58,513.68 = 15,630.90 : x
  2. Step 2: Convert to fraction form
    39,007.50/58,513.68 = 15,630.90/x
  3. Step 3: Cross multiply
    39,007.50x = 58,513.68 × 15,630.90
  4. Step 4: Simplify right side
    39,007.50x = 914,621,441.63
  5. Step 5: Solve for x
    x = 914,621,441.63/39,007.50
  6. Step 6: Final answer
    x = 23,447.32

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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.