Home / 42,758.35-64,137.52-25,894.76

Finding the Fourth Proportional to 42,758.35, 64,137.52 and 25,894.76

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Solution

The fourth proportional to 42,758.35, 64,137.52 and 25,894.76 is: 38,842.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,758.35 : 64,137.52 = 25,894.76 : x
  2. Step 2: Convert to fraction form
    42,758.35/64,137.52 = 25,894.76/x
  3. Step 3: Cross multiply
    42,758.35x = 64,137.52 × 25,894.76
  4. Step 4: Simplify right side
    42,758.35x = 1,660,825,399.08
  5. Step 5: Solve for x
    x = 1,660,825,399.08/42,758.35
  6. Step 6: Final answer
    x = 38,842.13

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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.