Home / 39,206.40-58,711.05-30,447.42

Finding the Fourth Proportional to 39,206.40, 58,711.05 and 30,447.42

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Solution

The fourth proportional to 39,206.40, 58,711.05 and 30,447.42 is: 45,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,206.40 : 58,711.05 = 30,447.42 : x
  2. Step 2: Convert to fraction form
    39,206.40/58,711.05 = 30,447.42/x
  3. Step 3: Cross multiply
    39,206.40x = 58,711.05 × 30,447.42
  4. Step 4: Simplify right side
    39,206.40x = 1,787,599,997.99
  5. Step 5: Solve for x
    x = 1,787,599,997.99/39,206.40
  6. Step 6: Final answer
    x = 45,594.60

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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.