Home / 39,241.28-58,869.18-12,947.84

Finding the Fourth Proportional to 39,241.28, 58,869.18 and 12,947.84

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Solution

The fourth proportional to 39,241.28, 58,869.18 and 12,947.84 is: 19,424.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,241.28 : 58,869.18 = 12,947.84 : x
  2. Step 2: Convert to fraction form
    39,241.28/58,869.18 = 12,947.84/x
  3. Step 3: Cross multiply
    39,241.28x = 58,869.18 × 12,947.84
  4. Step 4: Simplify right side
    39,241.28x = 762,228,723.57
  5. Step 5: Solve for x
    x = 762,228,723.57/39,241.28
  6. Step 6: Final answer
    x = 19,424.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.