Home / 34,931.32-48,205.33-20,783.25

Finding the Fourth Proportional to 34,931.32, 48,205.33 and 20,783.25

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Solution

The fourth proportional to 34,931.32, 48,205.33 and 20,783.25 is: 28,680.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,931.32 : 48,205.33 = 20,783.25 : x
  2. Step 2: Convert to fraction form
    34,931.32/48,205.33 = 20,783.25/x
  3. Step 3: Cross multiply
    34,931.32x = 48,205.33 × 20,783.25
  4. Step 4: Simplify right side
    34,931.32x = 1,001,863,372.76
  5. Step 5: Solve for x
    x = 1,001,863,372.76/34,931.32
  6. Step 6: Final answer
    x = 28,680.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.