Home / 51,174.86-70,616.25-28,512.95

Finding the Fourth Proportional to 51,174.86, 70,616.25 and 28,512.95

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Solution

The fourth proportional to 51,174.86, 70,616.25 and 28,512.95 is: 39,345.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,174.86 : 70,616.25 = 28,512.95 : x
  2. Step 2: Convert to fraction form
    51,174.86/70,616.25 = 28,512.95/x
  3. Step 3: Cross multiply
    51,174.86x = 70,616.25 × 28,512.95
  4. Step 4: Simplify right side
    51,174.86x = 2,013,477,252.36
  5. Step 5: Solve for x
    x = 2,013,477,252.36/51,174.86
  6. Step 6: Final answer
    x = 39,345.05

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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.