Home / 48,459.54-72,670.29-20,393.04

Finding the Fourth Proportional to 48,459.54, 72,670.29 and 20,393.04

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Solution

The fourth proportional to 48,459.54, 72,670.29 and 20,393.04 is: 30,581.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,459.54 : 72,670.29 = 20,393.04 : x
  2. Step 2: Convert to fraction form
    48,459.54/72,670.29 = 20,393.04/x
  3. Step 3: Cross multiply
    48,459.54x = 72,670.29 × 20,393.04
  4. Step 4: Simplify right side
    48,459.54x = 1,481,968,130.78
  5. Step 5: Solve for x
    x = 1,481,968,130.78/48,459.54
  6. Step 6: Final answer
    x = 30,581.56

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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.