Home / 30,207.78-45,270.27-22,806.18

Finding the Fourth Proportional to 30,207.78, 45,270.27 and 22,806.18

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Solution

The fourth proportional to 30,207.78, 45,270.27 and 22,806.18 is: 34,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,207.78 : 45,270.27 = 22,806.18 : x
  2. Step 2: Convert to fraction form
    30,207.78/45,270.27 = 22,806.18/x
  3. Step 3: Cross multiply
    30,207.78x = 45,270.27 × 22,806.18
  4. Step 4: Simplify right side
    30,207.78x = 1,032,441,926.27
  5. Step 5: Solve for x
    x = 1,032,441,926.27/30,207.78
  6. Step 6: Final answer
    x = 34,178.01

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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.