Home / 40,470.39-60,668.60-14,160.78

Finding the Fourth Proportional to 40,470.39, 60,668.60 and 14,160.78

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Solution

The fourth proportional to 40,470.39, 60,668.60 and 14,160.78 is: 21,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,470.39 : 60,668.60 = 14,160.78 : x
  2. Step 2: Convert to fraction form
    40,470.39/60,668.60 = 14,160.78/x
  3. Step 3: Cross multiply
    40,470.39x = 60,668.60 × 14,160.78
  4. Step 4: Simplify right side
    40,470.39x = 859,114,626.70
  5. Step 5: Solve for x
    x = 859,114,626.70/40,470.39
  6. Step 6: Final answer
    x = 21,228.23

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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.