Home / 49,389.92-68,166-28,176.08

Finding the Fourth Proportional to 49,389.92, 68,166 and 28,176.08

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Solution

The fourth proportional to 49,389.92, 68,166 and 28,176.08 is: 38,887.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,389.92 : 68,166 = 28,176.08 : x
  2. Step 2: Convert to fraction form
    49,389.92/68,166 = 28,176.08/x
  3. Step 3: Cross multiply
    49,389.92x = 68,166 × 28,176.08
  4. Step 4: Simplify right side
    49,389.92x = 1,920,650,669.28
  5. Step 5: Solve for x
    x = 1,920,650,669.28/49,389.92
  6. Step 6: Final answer
    x = 38,887.50

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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.