Home / 51,332.62-70,838.26-28,671.94

Finding the Fourth Proportional to 51,332.62, 70,838.26 and 28,671.94

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Solution

The fourth proportional to 51,332.62, 70,838.26 and 28,671.94 is: 39,566.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,332.62 : 70,838.26 = 28,671.94 : x
  2. Step 2: Convert to fraction form
    51,332.62/70,838.26 = 28,671.94/x
  3. Step 3: Cross multiply
    51,332.62x = 70,838.26 × 28,671.94
  4. Step 4: Simplify right side
    51,332.62x = 2,031,070,357.29
  5. Step 5: Solve for x
    x = 2,031,070,357.29/51,332.62
  6. Step 6: Final answer
    x = 39,566.86

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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.