Home / 39,526.14-54,545.31-21,621.09

Finding the Fourth Proportional to 39,526.14, 54,545.31 and 21,621.09

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Solution

The fourth proportional to 39,526.14, 54,545.31 and 21,621.09 is: 29,836.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,526.14 : 54,545.31 = 21,621.09 : x
  2. Step 2: Convert to fraction form
    39,526.14/54,545.31 = 21,621.09/x
  3. Step 3: Cross multiply
    39,526.14x = 54,545.31 × 21,621.09
  4. Step 4: Simplify right side
    39,526.14x = 1,179,329,056.59
  5. Step 5: Solve for x
    x = 1,179,329,056.59/39,526.14
  6. Step 6: Final answer
    x = 29,836.69

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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.