Home / 83,597.60-125,398.32-21,268.64

Finding the Fourth Proportional to 83,597.60, 125,398.32 and 21,268.64

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Solution

The fourth proportional to 83,597.60, 125,398.32 and 21,268.64 is: 31,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,597.60 : 125,398.32 = 21,268.64 : x
  2. Step 2: Convert to fraction form
    83,597.60/125,398.32 = 21,268.64/x
  3. Step 3: Cross multiply
    83,597.60x = 125,398.32 × 21,268.64
  4. Step 4: Simplify right side
    83,597.60x = 2,667,051,724.68
  5. Step 5: Solve for x
    x = 2,667,051,724.68/83,597.60
  6. Step 6: Final answer
    x = 31,903.45

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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.