Home / 39,006.78-58,512.60-15,630.18

Finding the Fourth Proportional to 39,006.78, 58,512.60 and 15,630.18

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Solution

The fourth proportional to 39,006.78, 58,512.60 and 15,630.18 is: 23,446.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,006.78 : 58,512.60 = 15,630.18 : x
  2. Step 2: Convert to fraction form
    39,006.78/58,512.60 = 15,630.18/x
  3. Step 3: Cross multiply
    39,006.78x = 58,512.60 × 15,630.18
  4. Step 4: Simplify right side
    39,006.78x = 914,562,470.27
  5. Step 5: Solve for x
    x = 914,562,470.27/39,006.78
  6. Step 6: Final answer
    x = 23,446.24

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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.