Home / 51,332.70-70,834.10-28,669.88

Finding the Fourth Proportional to 51,332.70, 70,834.10 and 28,669.88

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Solution

The fourth proportional to 51,332.70, 70,834.10 and 28,669.88 is: 39,561.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,332.70 : 70,834.10 = 28,669.88 : x
  2. Step 2: Convert to fraction form
    51,332.70/70,834.10 = 28,669.88/x
  3. Step 3: Cross multiply
    51,332.70x = 70,834.10 × 28,669.88
  4. Step 4: Simplify right side
    51,332.70x = 2,030,805,146.91
  5. Step 5: Solve for x
    x = 2,030,805,146.91/51,332.70
  6. Step 6: Final answer
    x = 39,561.63

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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.