Home / 38,278.32-52,817.66-21,282.08

Finding the Fourth Proportional to 38,278.32, 52,817.66 and 21,282.08

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Solution

The fourth proportional to 38,278.32, 52,817.66 and 21,282.08 is: 29,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,278.32 : 52,817.66 = 21,282.08 : x
  2. Step 2: Convert to fraction form
    38,278.32/52,817.66 = 21,282.08/x
  3. Step 3: Cross multiply
    38,278.32x = 52,817.66 × 21,282.08
  4. Step 4: Simplify right side
    38,278.32x = 1,124,069,665.53
  5. Step 5: Solve for x
    x = 1,124,069,665.53/38,278.32
  6. Step 6: Final answer
    x = 29,365.70

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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.