Home / 42,747.12-64,412.46-35,126.64

Finding the Fourth Proportional to 42,747.12, 64,412.46 and 35,126.64

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Solution

The fourth proportional to 42,747.12, 64,412.46 and 35,126.64 is: 52,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,747.12 : 64,412.46 = 35,126.64 : x
  2. Step 2: Convert to fraction form
    42,747.12/64,412.46 = 35,126.64/x
  3. Step 3: Cross multiply
    42,747.12x = 64,412.46 × 35,126.64
  4. Step 4: Simplify right side
    42,747.12x = 2,262,593,293.93
  5. Step 5: Solve for x
    x = 2,262,593,293.93/42,747.12
  6. Step 6: Final answer
    x = 52,929.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.