Home / 31,626.74-47,442.36-9,438.32

Finding the Fourth Proportional to 31,626.74, 47,442.36 and 9,438.32

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Solution

The fourth proportional to 31,626.74, 47,442.36 and 9,438.32 is: 14,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626.74 : 47,442.36 = 9,438.32 : x
  2. Step 2: Convert to fraction form
    31,626.74/47,442.36 = 9,438.32/x
  3. Step 3: Cross multiply
    31,626.74x = 47,442.36 × 9,438.32
  4. Step 4: Simplify right side
    31,626.74x = 447,776,175.24
  5. Step 5: Solve for x
    x = 447,776,175.24/31,626.74
  6. Step 6: Final answer
    x = 14,158.15

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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.