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Finding the Fourth Proportional to 40,363.60, 60,480.60 and 38,030.80

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Solution

The fourth proportional to 40,363.60, 60,480.60 and 38,030.80 is: 56,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,363.60 : 60,480.60 = 38,030.80 : x
  2. Step 2: Convert to fraction form
    40,363.60/60,480.60 = 38,030.80/x
  3. Step 3: Cross multiply
    40,363.60x = 60,480.60 × 38,030.80
  4. Step 4: Simplify right side
    40,363.60x = 2,300,125,602.48
  5. Step 5: Solve for x
    x = 2,300,125,602.48/40,363.60
  6. Step 6: Final answer
    x = 56,985.15

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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.