Home / 47,396.33-70,787.21-42,945.11

Finding the Fourth Proportional to 47,396.33, 70,787.21 and 42,945.11

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Solution

The fourth proportional to 47,396.33, 70,787.21 and 42,945.11 is: 64,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,396.33 : 70,787.21 = 42,945.11 : x
  2. Step 2: Convert to fraction form
    47,396.33/70,787.21 = 42,945.11/x
  3. Step 3: Cross multiply
    47,396.33x = 70,787.21 × 42,945.11
  4. Step 4: Simplify right side
    47,396.33x = 3,039,964,520.04
  5. Step 5: Solve for x
    x = 3,039,964,520.04/47,396.33
  6. Step 6: Final answer
    x = 64,139.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.