Home / 39,028.08-58,543.92-12,734.40

Finding the Fourth Proportional to 39,028.08, 58,543.92 and 12,734.40

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Solution

The fourth proportional to 39,028.08, 58,543.92 and 12,734.40 is: 19,102.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,028.08 : 58,543.92 = 12,734.40 : x
  2. Step 2: Convert to fraction form
    39,028.08/58,543.92 = 12,734.40/x
  3. Step 3: Cross multiply
    39,028.08x = 58,543.92 × 12,734.40
  4. Step 4: Simplify right side
    39,028.08x = 745,521,694.85
  5. Step 5: Solve for x
    x = 745,521,694.85/39,028.08
  6. Step 6: Final answer
    x = 19,102.19

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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.