Home / 34,405.16-47,480.38-20,074.23

Finding the Fourth Proportional to 34,405.16, 47,480.38 and 20,074.23

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Solution

The fourth proportional to 34,405.16, 47,480.38 and 20,074.23 is: 27,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,405.16 : 47,480.38 = 20,074.23 : x
  2. Step 2: Convert to fraction form
    34,405.16/47,480.38 = 20,074.23/x
  3. Step 3: Cross multiply
    34,405.16x = 47,480.38 × 20,074.23
  4. Step 4: Simplify right side
    34,405.16x = 953,132,018.42
  5. Step 5: Solve for x
    x = 953,132,018.42/34,405.16
  6. Step 6: Final answer
    x = 27,703.17

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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.