Home / 51,176.39-70,622.47-28,514.89

Finding the Fourth Proportional to 51,176.39, 70,622.47 and 28,514.89

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Solution

The fourth proportional to 51,176.39, 70,622.47 and 28,514.89 is: 39,350.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,176.39 : 70,622.47 = 28,514.89 : x
  2. Step 2: Convert to fraction form
    51,176.39/70,622.47 = 28,514.89/x
  3. Step 3: Cross multiply
    51,176.39x = 70,622.47 × 28,514.89
  4. Step 4: Simplify right side
    51,176.39x = 2,013,791,963.58
  5. Step 5: Solve for x
    x = 2,013,791,963.58/51,176.39
  6. Step 6: Final answer
    x = 39,350.02

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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.