Home / 42,838.20-64,259.82-16,543.08

Finding the Fourth Proportional to 42,838.20, 64,259.82 and 16,543.08

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Solution

The fourth proportional to 42,838.20, 64,259.82 and 16,543.08 is: 24,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,838.20 : 64,259.82 = 16,543.08 : x
  2. Step 2: Convert to fraction form
    42,838.20/64,259.82 = 16,543.08/x
  3. Step 3: Cross multiply
    42,838.20x = 64,259.82 × 16,543.08
  4. Step 4: Simplify right side
    42,838.20x = 1,063,055,343.05
  5. Step 5: Solve for x
    x = 1,063,055,343.05/42,838.20
  6. Step 6: Final answer
    x = 24,815.59

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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.