Home / 51,073.11-70,487.12-30,937.02

Finding the Fourth Proportional to 51,073.11, 70,487.12 and 30,937.02

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Solution

The fourth proportional to 51,073.11, 70,487.12 and 30,937.02 is: 42,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,073.11 : 70,487.12 = 30,937.02 : x
  2. Step 2: Convert to fraction form
    51,073.11/70,487.12 = 30,937.02/x
  3. Step 3: Cross multiply
    51,073.11x = 70,487.12 × 30,937.02
  4. Step 4: Simplify right side
    51,073.11x = 2,180,661,441.18
  5. Step 5: Solve for x
    x = 2,180,661,441.18/51,073.11
  6. Step 6: Final answer
    x = 42,696.86

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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.