Home / 49,302.12-68,029.06-28,081.80

Finding the Fourth Proportional to 49,302.12, 68,029.06 and 28,081.80

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Solution

The fourth proportional to 49,302.12, 68,029.06 and 28,081.80 is: 38,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,302.12 : 68,029.06 = 28,081.80 : x
  2. Step 2: Convert to fraction form
    49,302.12/68,029.06 = 28,081.80/x
  3. Step 3: Cross multiply
    49,302.12x = 68,029.06 × 28,081.80
  4. Step 4: Simplify right side
    49,302.12x = 1,910,378,457.11
  5. Step 5: Solve for x
    x = 1,910,378,457.11/49,302.12
  6. Step 6: Final answer
    x = 38,748.40

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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.