Home / 34,538.16-47,659.86-19,433.28

Finding the Fourth Proportional to 34,538.16, 47,659.86 and 19,433.28

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Solution

The fourth proportional to 34,538.16, 47,659.86 and 19,433.28 is: 26,816.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,538.16 : 47,659.86 = 19,433.28 : x
  2. Step 2: Convert to fraction form
    34,538.16/47,659.86 = 19,433.28/x
  3. Step 3: Cross multiply
    34,538.16x = 47,659.86 × 19,433.28
  4. Step 4: Simplify right side
    34,538.16x = 926,187,404.14
  5. Step 5: Solve for x
    x = 926,187,404.14/34,538.16
  6. Step 6: Final answer
    x = 26,816.35

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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.