Home / 34,686.45-47,864.56-19,582.78

Finding the Fourth Proportional to 34,686.45, 47,864.56 and 19,582.78

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Solution

The fourth proportional to 34,686.45, 47,864.56 and 19,582.78 is: 27,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,686.45 : 47,864.56 = 19,582.78 : x
  2. Step 2: Convert to fraction form
    34,686.45/47,864.56 = 19,582.78/x
  3. Step 3: Cross multiply
    34,686.45x = 47,864.56 × 19,582.78
  4. Step 4: Simplify right side
    34,686.45x = 937,321,148.28
  5. Step 5: Solve for x
    x = 937,321,148.28/34,686.45
  6. Step 6: Final answer
    x = 27,022.69

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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.