Home / 51,383.58-70,901.10-31,229.70

Finding the Fourth Proportional to 51,383.58, 70,901.10 and 31,229.70

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Solution

The fourth proportional to 51,383.58, 70,901.10 and 31,229.70 is: 43,091.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,383.58 : 70,901.10 = 31,229.70 : x
  2. Step 2: Convert to fraction form
    51,383.58/70,901.10 = 31,229.70/x
  3. Step 3: Cross multiply
    51,383.58x = 70,901.10 × 31,229.70
  4. Step 4: Simplify right side
    51,383.58x = 2,214,220,082.67
  5. Step 5: Solve for x
    x = 2,214,220,082.67/51,383.58
  6. Step 6: Final answer
    x = 43,091.98

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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.