Home / 48,395.68-66,774.34-28,241.05

Finding the Fourth Proportional to 48,395.68, 66,774.34 and 28,241.05

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Solution

The fourth proportional to 48,395.68, 66,774.34 and 28,241.05 is: 38,965.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,395.68 : 66,774.34 = 28,241.05 : x
  2. Step 2: Convert to fraction form
    48,395.68/66,774.34 = 28,241.05/x
  3. Step 3: Cross multiply
    48,395.68x = 66,774.34 × 28,241.05
  4. Step 4: Simplify right side
    48,395.68x = 1,885,777,474.66
  5. Step 5: Solve for x
    x = 1,885,777,474.66/48,395.68
  6. Step 6: Final answer
    x = 38,965.82

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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.