Home / 48,633.21-67,130.57-28,496.61

Finding the Fourth Proportional to 48,633.21, 67,130.57 and 28,496.61

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Solution

The fourth proportional to 48,633.21, 67,130.57 and 28,496.61 is: 39,335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,633.21 : 67,130.57 = 28,496.61 : x
  2. Step 2: Convert to fraction form
    48,633.21/67,130.57 = 28,496.61/x
  3. Step 3: Cross multiply
    48,633.21x = 67,130.57 × 28,496.61
  4. Step 4: Simplify right side
    48,633.21x = 1,912,993,743.61
  5. Step 5: Solve for x
    x = 1,912,993,743.61/48,633.21
  6. Step 6: Final answer
    x = 39,335.13

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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.