Home / 39,768.32-59,662.22-19,787.24

Finding the Fourth Proportional to 39,768.32, 59,662.22 and 19,787.24

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Solution

The fourth proportional to 39,768.32, 59,662.22 and 19,787.24 is: 29,685.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,768.32 : 59,662.22 = 19,787.24 : x
  2. Step 2: Convert to fraction form
    39,768.32/59,662.22 = 19,787.24/x
  3. Step 3: Cross multiply
    39,768.32x = 59,662.22 × 19,787.24
  4. Step 4: Simplify right side
    39,768.32x = 1,180,550,666.07
  5. Step 5: Solve for x
    x = 1,180,550,666.07/39,768.32
  6. Step 6: Final answer
    x = 29,685.71

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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.