Home / 30,423.12-45,587.64-23,743.78

Finding the Fourth Proportional to 30,423.12, 45,587.64 and 23,743.78

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Solution

The fourth proportional to 30,423.12, 45,587.64 and 23,743.78 is: 35,578.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,423.12 : 45,587.64 = 23,743.78 : x
  2. Step 2: Convert to fraction form
    30,423.12/45,587.64 = 23,743.78/x
  3. Step 3: Cross multiply
    30,423.12x = 45,587.64 × 23,743.78
  4. Step 4: Simplify right side
    30,423.12x = 1,082,422,954.24
  5. Step 5: Solve for x
    x = 1,082,422,954.24/30,423.12
  6. Step 6: Final answer
    x = 35,578.96

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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.