Home / 39,078.45-58,647.51-20,363.13

Finding the Fourth Proportional to 39,078.45, 58,647.51 and 20,363.13

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Solution

The fourth proportional to 39,078.45, 58,647.51 and 20,363.13 is: 30,560.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,078.45 : 58,647.51 = 20,363.13 : x
  2. Step 2: Convert to fraction form
    39,078.45/58,647.51 = 20,363.13/x
  3. Step 3: Cross multiply
    39,078.45x = 58,647.51 × 20,363.13
  4. Step 4: Simplify right side
    39,078.45x = 1,194,246,870.31
  5. Step 5: Solve for x
    x = 1,194,246,870.31/39,078.45
  6. Step 6: Final answer
    x = 30,560.24

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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.