Home / 31,774.15-47,661.57-9,587.72

Finding the Fourth Proportional to 31,774.15, 47,661.57 and 9,587.72

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Solution

The fourth proportional to 31,774.15, 47,661.57 and 9,587.72 is: 14,381.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,774.15 : 47,661.57 = 9,587.72 : x
  2. Step 2: Convert to fraction form
    31,774.15/47,661.57 = 9,587.72/x
  3. Step 3: Cross multiply
    31,774.15x = 47,661.57 × 9,587.72
  4. Step 4: Simplify right side
    31,774.15x = 456,965,787.92
  5. Step 5: Solve for x
    x = 456,965,787.92/31,774.15
  6. Step 6: Final answer
    x = 14,381.68

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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.