Home / 49,518.99-68,335.13-28,005.89

Finding the Fourth Proportional to 49,518.99, 68,335.13 and 28,005.89

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Solution

The fourth proportional to 49,518.99, 68,335.13 and 28,005.89 is: 38,647.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,518.99 : 68,335.13 = 28,005.89 : x
  2. Step 2: Convert to fraction form
    49,518.99/68,335.13 = 28,005.89/x
  3. Step 3: Cross multiply
    49,518.99x = 68,335.13 × 28,005.89
  4. Step 4: Simplify right side
    49,518.99x = 1,913,785,862.25
  5. Step 5: Solve for x
    x = 1,913,785,862.25/49,518.99
  6. Step 6: Final answer
    x = 38,647.51

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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.