Home / 49,390.29-68,159.03-28,170.63

Finding the Fourth Proportional to 49,390.29, 68,159.03 and 28,170.63

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Solution

The fourth proportional to 49,390.29, 68,159.03 and 28,170.63 is: 38,875.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,390.29 : 68,159.03 = 28,170.63 : x
  2. Step 2: Convert to fraction form
    49,390.29/68,159.03 = 28,170.63/x
  3. Step 3: Cross multiply
    49,390.29x = 68,159.03 × 28,170.63
  4. Step 4: Simplify right side
    49,390.29x = 1,920,082,674.44
  5. Step 5: Solve for x
    x = 1,920,082,674.44/49,390.29
  6. Step 6: Final answer
    x = 38,875.71

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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.