Home / 49,978.80-74,981.18-14,918.46

Finding the Fourth Proportional to 49,978.80, 74,981.18 and 14,918.46

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Solution

The fourth proportional to 49,978.80, 74,981.18 and 14,918.46 is: 22,381.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,978.80 : 74,981.18 = 14,918.46 : x
  2. Step 2: Convert to fraction form
    49,978.80/74,981.18 = 14,918.46/x
  3. Step 3: Cross multiply
    49,978.80x = 74,981.18 × 14,918.46
  4. Step 4: Simplify right side
    49,978.80x = 1,118,603,659.99
  5. Step 5: Solve for x
    x = 1,118,603,659.99/49,978.80
  6. Step 6: Final answer
    x = 22,381.56

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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.