Home / 39,142.32-58,712.80-15,768.16

Finding the Fourth Proportional to 39,142.32, 58,712.80 and 15,768.16

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Solution

The fourth proportional to 39,142.32, 58,712.80 and 15,768.16 is: 23,651.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,142.32 : 58,712.80 = 15,768.16 : x
  2. Step 2: Convert to fraction form
    39,142.32/58,712.80 = 15,768.16/x
  3. Step 3: Cross multiply
    39,142.32x = 58,712.80 × 15,768.16
  4. Step 4: Simplify right side
    39,142.32x = 925,792,824.45
  5. Step 5: Solve for x
    x = 925,792,824.45/39,142.32
  6. Step 6: Final answer
    x = 23,651.97

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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.