Home / 83,678.73-125,518.06-21,349.23

Finding the Fourth Proportional to 83,678.73, 125,518.06 and 21,349.23

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Solution

The fourth proportional to 83,678.73, 125,518.06 and 21,349.23 is: 32,023.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,678.73 : 125,518.06 = 21,349.23 : x
  2. Step 2: Convert to fraction form
    83,678.73/125,518.06 = 21,349.23/x
  3. Step 3: Cross multiply
    83,678.73x = 125,518.06 × 21,349.23
  4. Step 4: Simplify right side
    83,678.73x = 2,679,713,932.09
  5. Step 5: Solve for x
    x = 2,679,713,932.09/83,678.73
  6. Step 6: Final answer
    x = 32,023.84

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1.5x scale

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.