Home / 52,680.54-72,698.45-30,020.88

Finding the Fourth Proportional to 52,680.54, 72,698.45 and 30,020.88

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Solution

The fourth proportional to 52,680.54, 72,698.45 and 30,020.88 is: 41,428.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,680.54 : 72,698.45 = 30,020.88 : x
  2. Step 2: Convert to fraction form
    52,680.54/72,698.45 = 30,020.88/x
  3. Step 3: Cross multiply
    52,680.54x = 72,698.45 × 30,020.88
  4. Step 4: Simplify right side
    52,680.54x = 2,182,471,293.53
  5. Step 5: Solve for x
    x = 2,182,471,293.53/52,680.54
  6. Step 6: Final answer
    x = 41,428.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.