Home / 38,020.60-52,468.12-21,891.08

Finding the Fourth Proportional to 38,020.60, 52,468.12 and 21,891.08

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Solution

The fourth proportional to 38,020.60, 52,468.12 and 21,891.08 is: 30,209.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,020.60 : 52,468.12 = 21,891.08 : x
  2. Step 2: Convert to fraction form
    38,020.60/52,468.12 = 21,891.08/x
  3. Step 3: Cross multiply
    38,020.60x = 52,468.12 × 21,891.08
  4. Step 4: Simplify right side
    38,020.60x = 1,148,583,812.37
  5. Step 5: Solve for x
    x = 1,148,583,812.37/38,020.60
  6. Step 6: Final answer
    x = 30,209.51

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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.