Home / 53,301.62-79,935.42-21,711.62

Finding the Fourth Proportional to 53,301.62, 79,935.42 and 21,711.62

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Solution

The fourth proportional to 53,301.62, 79,935.42 and 21,711.62 is: 32,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,301.62 : 79,935.42 = 21,711.62 : x
  2. Step 2: Convert to fraction form
    53,301.62/79,935.42 = 21,711.62/x
  3. Step 3: Cross multiply
    53,301.62x = 79,935.42 × 21,711.62
  4. Step 4: Simplify right side
    53,301.62x = 1,735,527,463.58
  5. Step 5: Solve for x
    x = 1,735,527,463.58/53,301.62
  6. Step 6: Final answer
    x = 32,560.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.