Home / 52,251.32-78,386.70-17,215.52

Finding the Fourth Proportional to 52,251.32, 78,386.70 and 17,215.52

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Solution

The fourth proportional to 52,251.32, 78,386.70 and 17,215.52 is: 25,826.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,251.32 : 78,386.70 = 17,215.52 : x
  2. Step 2: Convert to fraction form
    52,251.32/78,386.70 = 17,215.52/x
  3. Step 3: Cross multiply
    52,251.32x = 78,386.70 × 17,215.52
  4. Step 4: Simplify right side
    52,251.32x = 1,349,467,801.58
  5. Step 5: Solve for x
    x = 1,349,467,801.58/52,251.32
  6. Step 6: Final answer
    x = 25,826.48

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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.