Home / 48,268.26-72,376.47-21,978.90

Finding the Fourth Proportional to 48,268.26, 72,376.47 and 21,978.90

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Solution

The fourth proportional to 48,268.26, 72,376.47 and 21,978.90 is: 32,956.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,268.26 : 72,376.47 = 21,978.90 : x
  2. Step 2: Convert to fraction form
    48,268.26/72,376.47 = 21,978.90/x
  3. Step 3: Cross multiply
    48,268.26x = 72,376.47 × 21,978.90
  4. Step 4: Simplify right side
    48,268.26x = 1,590,755,196.48
  5. Step 5: Solve for x
    x = 1,590,755,196.48/48,268.26
  6. Step 6: Final answer
    x = 32,956.55

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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.