Home / 51,353.39-70,860.62-28,689.57

Finding the Fourth Proportional to 51,353.39, 70,860.62 and 28,689.57

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Solution

The fourth proportional to 51,353.39, 70,860.62 and 28,689.57 is: 39,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,353.39 : 70,860.62 = 28,689.57 : x
  2. Step 2: Convert to fraction form
    51,353.39/70,860.62 = 28,689.57/x
  3. Step 3: Cross multiply
    51,353.39x = 70,860.62 × 28,689.57
  4. Step 4: Simplify right side
    51,353.39x = 2,032,960,789.46
  5. Step 5: Solve for x
    x = 2,032,960,789.46/51,353.39
  6. Step 6: Final answer
    x = 39,587.66

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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.