Home / 42,859.20-64,278.90-16,208.04

Finding the Fourth Proportional to 42,859.20, 64,278.90 and 16,208.04

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Solution

The fourth proportional to 42,859.20, 64,278.90 and 16,208.04 is: 24,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,859.20 : 64,278.90 = 16,208.04 : x
  2. Step 2: Convert to fraction form
    42,859.20/64,278.90 = 16,208.04/x
  3. Step 3: Cross multiply
    42,859.20x = 64,278.90 × 16,208.04
  4. Step 4: Simplify right side
    42,859.20x = 1,041,834,982.36
  5. Step 5: Solve for x
    x = 1,041,834,982.36/42,859.20
  6. Step 6: Final answer
    x = 24,308.32

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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.