Home / 34,416.99-47,495.43-20,086.65

Finding the Fourth Proportional to 34,416.99, 47,495.43 and 20,086.65

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Solution

The fourth proportional to 34,416.99, 47,495.43 and 20,086.65 is: 27,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,416.99 : 47,495.43 = 20,086.65 : x
  2. Step 2: Convert to fraction form
    34,416.99/47,495.43 = 20,086.65/x
  3. Step 3: Cross multiply
    34,416.99x = 47,495.43 × 20,086.65
  4. Step 4: Simplify right side
    34,416.99x = 954,024,079.01
  5. Step 5: Solve for x
    x = 954,024,079.01/34,416.99
  6. Step 6: Final answer
    x = 27,719.57

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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.