Home / 47,283.58-65,277.99-31,389.76

Finding the Fourth Proportional to 47,283.58, 65,277.99 and 31,389.76

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Solution

The fourth proportional to 47,283.58, 65,277.99 and 31,389.76 is: 43,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,283.58 : 65,277.99 = 31,389.76 : x
  2. Step 2: Convert to fraction form
    47,283.58/65,277.99 = 31,389.76/x
  3. Step 3: Cross multiply
    47,283.58x = 65,277.99 × 31,389.76
  4. Step 4: Simplify right side
    47,283.58x = 2,049,060,439.38
  5. Step 5: Solve for x
    x = 2,049,060,439.38/47,283.58
  6. Step 6: Final answer
    x = 43,335.56

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1.5x scale

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.