Home / 31,774.05-47,661.44-9,587.64

Finding the Fourth Proportional to 31,774.05, 47,661.44 and 9,587.64

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Solution

The fourth proportional to 31,774.05, 47,661.44 and 9,587.64 is: 14,381.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,774.05 : 47,661.44 = 9,587.64 : x
  2. Step 2: Convert to fraction form
    31,774.05/47,661.44 = 9,587.64/x
  3. Step 3: Cross multiply
    31,774.05x = 47,661.44 × 9,587.64
  4. Step 4: Simplify right side
    31,774.05x = 456,960,680.66
  5. Step 5: Solve for x
    x = 456,960,680.66/31,774.05
  6. Step 6: Final answer
    x = 14,381.57

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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.