Home / 48,372.64-66,758.30-28,230.84

Finding the Fourth Proportional to 48,372.64, 66,758.30 and 28,230.84

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Solution

The fourth proportional to 48,372.64, 66,758.30 and 28,230.84 is: 38,960.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,372.64 : 66,758.30 = 28,230.84 : x
  2. Step 2: Convert to fraction form
    48,372.64/66,758.30 = 28,230.84/x
  3. Step 3: Cross multiply
    48,372.64x = 66,758.30 × 28,230.84
  4. Step 4: Simplify right side
    48,372.64x = 1,884,642,885.97
  5. Step 5: Solve for x
    x = 1,884,642,885.97/48,372.64
  6. Step 6: Final answer
    x = 38,960.93

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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.