Home / 34,909.19-48,174.89-18,993.76

Finding the Fourth Proportional to 34,909.19, 48,174.89 and 18,993.76

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Solution

The fourth proportional to 34,909.19, 48,174.89 and 18,993.76 is: 26,211.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,909.19 : 48,174.89 = 18,993.76 : x
  2. Step 2: Convert to fraction form
    34,909.19/48,174.89 = 18,993.76/x
  3. Step 3: Cross multiply
    34,909.19x = 48,174.89 × 18,993.76
  4. Step 4: Simplify right side
    34,909.19x = 915,022,298.69
  5. Step 5: Solve for x
    x = 915,022,298.69/34,909.19
  6. Step 6: Final answer
    x = 26,211.50

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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.