Home / 48,327.80-72,405.30-40,897.40

Finding the Fourth Proportional to 48,327.80, 72,405.30 and 40,897.40

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Solution

The fourth proportional to 48,327.80, 72,405.30 and 40,897.40 is: 61,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,327.80 : 72,405.30 = 40,897.40 : x
  2. Step 2: Convert to fraction form
    48,327.80/72,405.30 = 40,897.40/x
  3. Step 3: Cross multiply
    48,327.80x = 72,405.30 × 40,897.40
  4. Step 4: Simplify right side
    48,327.80x = 2,961,188,516.22
  5. Step 5: Solve for x
    x = 2,961,188,516.22/48,327.80
  6. Step 6: Final answer
    x = 61,272.98

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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.