Home / 30,100.12-41,529.18-19,472.92

Finding the Fourth Proportional to 30,100.12, 41,529.18 and 19,472.92

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Solution

The fourth proportional to 30,100.12, 41,529.18 and 19,472.92 is: 26,866.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,100.12 : 41,529.18 = 19,472.92 : x
  2. Step 2: Convert to fraction form
    30,100.12/41,529.18 = 19,472.92/x
  3. Step 3: Cross multiply
    30,100.12x = 41,529.18 × 19,472.92
  4. Step 4: Simplify right side
    30,100.12x = 808,694,399.81
  5. Step 5: Solve for x
    x = 808,694,399.81/30,100.12
  6. Step 6: Final answer
    x = 26,866.82

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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.