Home / 42,267.18-63,345.80-17,278.68

Finding the Fourth Proportional to 42,267.18, 63,345.80 and 17,278.68

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Solution

The fourth proportional to 42,267.18, 63,345.80 and 17,278.68 is: 25,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,267.18 : 63,345.80 = 17,278.68 : x
  2. Step 2: Convert to fraction form
    42,267.18/63,345.80 = 17,278.68/x
  3. Step 3: Cross multiply
    42,267.18x = 63,345.80 × 17,278.68
  4. Step 4: Simplify right side
    42,267.18x = 1,094,531,807.54
  5. Step 5: Solve for x
    x = 1,094,531,807.54/42,267.18
  6. Step 6: Final answer
    x = 25,895.55

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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.