Home / 38,357.62-53,002.18-29,881.64

Finding the Fourth Proportional to 38,357.62, 53,002.18 and 29,881.64

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Solution

The fourth proportional to 38,357.62, 53,002.18 and 29,881.64 is: 41,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,357.62 : 53,002.18 = 29,881.64 : x
  2. Step 2: Convert to fraction form
    38,357.62/53,002.18 = 29,881.64/x
  3. Step 3: Cross multiply
    38,357.62x = 53,002.18 × 29,881.64
  4. Step 4: Simplify right side
    38,357.62x = 1,583,792,061.98
  5. Step 5: Solve for x
    x = 1,583,792,061.98/38,357.62
  6. Step 6: Final answer
    x = 41,290.15

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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.