Home / 34,177.99-47,162.34-20,756.59

Finding the Fourth Proportional to 34,177.99, 47,162.34 and 20,756.59

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Solution

The fourth proportional to 34,177.99, 47,162.34 and 20,756.59 is: 28,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,177.99 : 47,162.34 = 20,756.59 : x
  2. Step 2: Convert to fraction form
    34,177.99/47,162.34 = 20,756.59/x
  3. Step 3: Cross multiply
    34,177.99x = 47,162.34 × 20,756.59
  4. Step 4: Simplify right side
    34,177.99x = 978,929,354.82
  5. Step 5: Solve for x
    x = 978,929,354.82/34,177.99
  6. Step 6: Final answer
    x = 28,642.10

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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.