Home / 39,115.84-58,659.12-15,734.32

Finding the Fourth Proportional to 39,115.84, 58,659.12 and 15,734.32

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Solution

The fourth proportional to 39,115.84, 58,659.12 and 15,734.32 is: 23,595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,115.84 : 58,659.12 = 15,734.32 : x
  2. Step 2: Convert to fraction form
    39,115.84/58,659.12 = 15,734.32/x
  3. Step 3: Cross multiply
    39,115.84x = 58,659.12 × 15,734.32
  4. Step 4: Simplify right side
    39,115.84x = 922,961,365.00
  5. Step 5: Solve for x
    x = 922,961,365.00/39,115.84
  6. Step 6: Final answer
    x = 23,595.59

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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.