Home / 42,286.63-63,437.24-14,209.38

Finding the Fourth Proportional to 42,286.63, 63,437.24 and 14,209.38

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Solution

The fourth proportional to 42,286.63, 63,437.24 and 14,209.38 is: 21,316.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,286.63 : 63,437.24 = 14,209.38 : x
  2. Step 2: Convert to fraction form
    42,286.63/63,437.24 = 14,209.38/x
  3. Step 3: Cross multiply
    42,286.63x = 63,437.24 × 14,209.38
  4. Step 4: Simplify right side
    42,286.63x = 901,403,849.31
  5. Step 5: Solve for x
    x = 901,403,849.31/42,286.63
  6. Step 6: Final answer
    x = 21,316.52

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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.