Home / 39,247.81-54,145.99-22,248.45

Finding the Fourth Proportional to 39,247.81, 54,145.99 and 22,248.45

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Solution

The fourth proportional to 39,247.81, 54,145.99 and 22,248.45 is: 30,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,247.81 : 54,145.99 = 22,248.45 : x
  2. Step 2: Convert to fraction form
    39,247.81/54,145.99 = 22,248.45/x
  3. Step 3: Cross multiply
    39,247.81x = 54,145.99 × 22,248.45
  4. Step 4: Simplify right side
    39,247.81x = 1,204,664,295.59
  5. Step 5: Solve for x
    x = 1,204,664,295.59/39,247.81
  6. Step 6: Final answer
    x = 30,693.80

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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.