Home / 48,218.90-72,501.15-40,615.70

Finding the Fourth Proportional to 48,218.90, 72,501.15 and 40,615.70

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Solution

The fourth proportional to 48,218.90, 72,501.15 and 40,615.70 is: 61,069.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,218.90 : 72,501.15 = 40,615.70 : x
  2. Step 2: Convert to fraction form
    48,218.90/72,501.15 = 40,615.70/x
  3. Step 3: Cross multiply
    48,218.90x = 72,501.15 × 40,615.70
  4. Step 4: Simplify right side
    48,218.90x = 2,944,684,958.06
  5. Step 5: Solve for x
    x = 2,944,684,958.06/48,218.90
  6. Step 6: Final answer
    x = 61,069.10

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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.