Home / 34,302.53-47,331.79-20,158.11

Finding the Fourth Proportional to 34,302.53, 47,331.79 and 20,158.11

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Solution

The fourth proportional to 34,302.53, 47,331.79 and 20,158.11 is: 27,814.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,302.53 : 47,331.79 = 20,158.11 : x
  2. Step 2: Convert to fraction form
    34,302.53/47,331.79 = 20,158.11/x
  3. Step 3: Cross multiply
    34,302.53x = 47,331.79 × 20,158.11
  4. Step 4: Simplify right side
    34,302.53x = 954,119,378.92
  5. Step 5: Solve for x
    x = 954,119,378.92/34,302.53
  6. Step 6: Final answer
    x = 27,814.84

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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.