Home / 34,069.04-47,020.25-20,458.01

Finding the Fourth Proportional to 34,069.04, 47,020.25 and 20,458.01

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Solution

The fourth proportional to 34,069.04, 47,020.25 and 20,458.01 is: 28,235.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,069.04 : 47,020.25 = 20,458.01 : x
  2. Step 2: Convert to fraction form
    34,069.04/47,020.25 = 20,458.01/x
  3. Step 3: Cross multiply
    34,069.04x = 47,020.25 × 20,458.01
  4. Step 4: Simplify right side
    34,069.04x = 961,940,407.31
  5. Step 5: Solve for x
    x = 961,940,407.31/34,069.04
  6. Step 6: Final answer
    x = 28,235.04

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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.