Home / 49,500.09-68,305.91-28,275.21

Finding the Fourth Proportional to 49,500.09, 68,305.91 and 28,275.21

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Solution

The fourth proportional to 49,500.09, 68,305.91 and 28,275.21 is: 39,017.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,500.09 : 68,305.91 = 28,275.21 : x
  2. Step 2: Convert to fraction form
    49,500.09/68,305.91 = 28,275.21/x
  3. Step 3: Cross multiply
    49,500.09x = 68,305.91 × 28,275.21
  4. Step 4: Simplify right side
    49,500.09x = 1,931,363,808.12
  5. Step 5: Solve for x
    x = 1,931,363,808.12/49,500.09
  6. Step 6: Final answer
    x = 39,017.38

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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.