Home / 48,407.41-72,600.20-20,359.13

Finding the Fourth Proportional to 48,407.41, 72,600.20 and 20,359.13

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Solution

The fourth proportional to 48,407.41, 72,600.20 and 20,359.13 is: 30,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,407.41 : 72,600.20 = 20,359.13 : x
  2. Step 2: Convert to fraction form
    48,407.41/72,600.20 = 20,359.13/x
  3. Step 3: Cross multiply
    48,407.41x = 72,600.20 × 20,359.13
  4. Step 4: Simplify right side
    48,407.41x = 1,478,076,808.03
  5. Step 5: Solve for x
    x = 1,478,076,808.03/48,407.41
  6. Step 6: Final answer
    x = 30,534.11

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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.