Home / 39,006.40-58,442.40-18,187.20

Finding the Fourth Proportional to 39,006.40, 58,442.40 and 18,187.20

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Solution

The fourth proportional to 39,006.40, 58,442.40 and 18,187.20 is: 27,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,006.40 : 58,442.40 = 18,187.20 : x
  2. Step 2: Convert to fraction form
    39,006.40/58,442.40 = 18,187.20/x
  3. Step 3: Cross multiply
    39,006.40x = 58,442.40 × 18,187.20
  4. Step 4: Simplify right side
    39,006.40x = 1,062,903,617.28
  5. Step 5: Solve for x
    x = 1,062,903,617.28/39,006.40
  6. Step 6: Final answer
    x = 27,249.47

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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.