Home / 42,918.19-64,377.27-13,336.04

Finding the Fourth Proportional to 42,918.19, 64,377.27 and 13,336.04

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Solution

The fourth proportional to 42,918.19, 64,377.27 and 13,336.04 is: 20,004.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,918.19 : 64,377.27 = 13,336.04 : x
  2. Step 2: Convert to fraction form
    42,918.19/64,377.27 = 13,336.04/x
  3. Step 3: Cross multiply
    42,918.19x = 64,377.27 × 13,336.04
  4. Step 4: Simplify right side
    42,918.19x = 858,538,008.75
  5. Step 5: Solve for x
    x = 858,538,008.75/42,918.19
  6. Step 6: Final answer
    x = 20,004.06

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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.