Home / 39,354.59-59,049.33-20,630.16

Finding the Fourth Proportional to 39,354.59, 59,049.33 and 20,630.16

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Solution

The fourth proportional to 39,354.59, 59,049.33 and 20,630.16 is: 30,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,354.59 : 59,049.33 = 20,630.16 : x
  2. Step 2: Convert to fraction form
    39,354.59/59,049.33 = 20,630.16/x
  3. Step 3: Cross multiply
    39,354.59x = 59,049.33 × 20,630.16
  4. Step 4: Simplify right side
    39,354.59x = 1,218,196,830.55
  5. Step 5: Solve for x
    x = 1,218,196,830.55/39,354.59
  6. Step 6: Final answer
    x = 30,954.38

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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.