Home / 48,003.68-72,000.51-12,941.21

Finding the Fourth Proportional to 48,003.68, 72,000.51 and 12,941.21

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Solution

The fourth proportional to 48,003.68, 72,000.51 and 12,941.21 is: 19,410.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,003.68 : 72,000.51 = 12,941.21 : x
  2. Step 2: Convert to fraction form
    48,003.68/72,000.51 = 12,941.21/x
  3. Step 3: Cross multiply
    48,003.68x = 72,000.51 × 12,941.21
  4. Step 4: Simplify right side
    48,003.68x = 931,773,360.01
  5. Step 5: Solve for x
    x = 931,773,360.01/48,003.68
  6. Step 6: Final answer
    x = 19,410.46

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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.