Home / 39,895.40-59,828.70-20,167.40

Finding the Fourth Proportional to 39,895.40, 59,828.70 and 20,167.40

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Solution

The fourth proportional to 39,895.40, 59,828.70 and 20,167.40 is: 30,243.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,895.40 : 59,828.70 = 20,167.40 : x
  2. Step 2: Convert to fraction form
    39,895.40/59,828.70 = 20,167.40/x
  3. Step 3: Cross multiply
    39,895.40x = 59,828.70 × 20,167.40
  4. Step 4: Simplify right side
    39,895.40x = 1,206,589,324.38
  5. Step 5: Solve for x
    x = 1,206,589,324.38/39,895.40
  6. Step 6: Final answer
    x = 30,243.82

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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.