Home / 34,176.23-47,159.93-20,754.84

Finding the Fourth Proportional to 34,176.23, 47,159.93 and 20,754.84

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Solution

The fourth proportional to 34,176.23, 47,159.93 and 20,754.84 is: 28,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,176.23 : 47,159.93 = 20,754.84 : x
  2. Step 2: Convert to fraction form
    34,176.23/47,159.93 = 20,754.84/x
  3. Step 3: Cross multiply
    34,176.23x = 47,159.93 × 20,754.84
  4. Step 4: Simplify right side
    34,176.23x = 978,796,676.60
  5. Step 5: Solve for x
    x = 978,796,676.60/34,176.23
  6. Step 6: Final answer
    x = 28,639.69

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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.