Home / 83,848.32-125,772.48-21,518.82

Finding the Fourth Proportional to 83,848.32, 125,772.48 and 21,518.82

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Solution

The fourth proportional to 83,848.32, 125,772.48 and 21,518.82 is: 32,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,848.32 : 125,772.48 = 21,518.82 : x
  2. Step 2: Convert to fraction form
    83,848.32/125,772.48 = 21,518.82/x
  3. Step 3: Cross multiply
    83,848.32x = 125,772.48 × 21,518.82
  4. Step 4: Simplify right side
    83,848.32x = 2,706,475,358.07
  5. Step 5: Solve for x
    x = 2,706,475,358.07/83,848.32
  6. Step 6: Final answer
    x = 32,278.23

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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.