Home / 39,846.69-59,807.03-20,139.12

Finding the Fourth Proportional to 39,846.69, 59,807.03 and 20,139.12

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Solution

The fourth proportional to 39,846.69, 59,807.03 and 20,139.12 is: 30,227.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,846.69 : 59,807.03 = 20,139.12 : x
  2. Step 2: Convert to fraction form
    39,846.69/59,807.03 = 20,139.12/x
  3. Step 3: Cross multiply
    39,846.69x = 59,807.03 × 20,139.12
  4. Step 4: Simplify right side
    39,846.69x = 1,204,460,853.32
  5. Step 5: Solve for x
    x = 1,204,460,853.32/39,846.69
  6. Step 6: Final answer
    x = 30,227.38

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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.