Home / 49,920.80-74,881.20-14,872.64

Finding the Fourth Proportional to 49,920.80, 74,881.20 and 14,872.64

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Solution

The fourth proportional to 49,920.80, 74,881.20 and 14,872.64 is: 22,308.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,920.80 : 74,881.20 = 14,872.64 : x
  2. Step 2: Convert to fraction form
    49,920.80/74,881.20 = 14,872.64/x
  3. Step 3: Cross multiply
    49,920.80x = 74,881.20 × 14,872.64
  4. Step 4: Simplify right side
    49,920.80x = 1,113,681,130.37
  5. Step 5: Solve for x
    x = 1,113,681,130.37/49,920.80
  6. Step 6: Final answer
    x = 22,308.96

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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.