Home / 39,369.28-59,082-21,853.12

Finding the Fourth Proportional to 39,369.28, 59,082 and 21,853.12

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Solution

The fourth proportional to 39,369.28, 59,082 and 21,853.12 is: 32,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,369.28 : 59,082 = 21,853.12 : x
  2. Step 2: Convert to fraction form
    39,369.28/59,082 = 21,853.12/x
  3. Step 3: Cross multiply
    39,369.28x = 59,082 × 21,853.12
  4. Step 4: Simplify right side
    39,369.28x = 1,291,126,035.84
  5. Step 5: Solve for x
    x = 1,291,126,035.84/39,369.28
  6. Step 6: Final answer
    x = 32,795.27

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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.