Home / 40,384.60-60,512.10-38,051.80

Finding the Fourth Proportional to 40,384.60, 60,512.10 and 38,051.80

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Solution

The fourth proportional to 40,384.60, 60,512.10 and 38,051.80 is: 57,016.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,384.60 : 60,512.10 = 38,051.80 : x
  2. Step 2: Convert to fraction form
    40,384.60/60,512.10 = 38,051.80/x
  3. Step 3: Cross multiply
    40,384.60x = 60,512.10 × 38,051.80
  4. Step 4: Simplify right side
    40,384.60x = 2,302,594,326.78
  5. Step 5: Solve for x
    x = 2,302,594,326.78/40,384.60
  6. Step 6: Final answer
    x = 57,016.64

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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.