Home / 39,436.53-54,421.67-22,440.39

Finding the Fourth Proportional to 39,436.53, 54,421.67 and 22,440.39

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Solution

The fourth proportional to 39,436.53, 54,421.67 and 22,440.39 is: 30,967.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,436.53 : 54,421.67 = 22,440.39 : x
  2. Step 2: Convert to fraction form
    39,436.53/54,421.67 = 22,440.39/x
  3. Step 3: Cross multiply
    39,436.53x = 54,421.67 × 22,440.39
  4. Step 4: Simplify right side
    39,436.53x = 1,221,243,499.25
  5. Step 5: Solve for x
    x = 1,221,243,499.25/39,436.53
  6. Step 6: Final answer
    x = 30,967.32

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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.