Home / 34,270.14-47,298.96-20,123.76

Finding the Fourth Proportional to 34,270.14, 47,298.96 and 20,123.76

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Solution

The fourth proportional to 34,270.14, 47,298.96 and 20,123.76 is: 27,774.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,270.14 : 47,298.96 = 20,123.76 : x
  2. Step 2: Convert to fraction form
    34,270.14/47,298.96 = 20,123.76/x
  3. Step 3: Cross multiply
    34,270.14x = 47,298.96 × 20,123.76
  4. Step 4: Simplify right side
    34,270.14x = 951,832,919.29
  5. Step 5: Solve for x
    x = 951,832,919.29/34,270.14
  6. Step 6: Final answer
    x = 27,774.41

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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.