Home / 39,582.23-54,623.54-21,433.14

Finding the Fourth Proportional to 39,582.23, 54,623.54 and 21,433.14

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Solution

The fourth proportional to 39,582.23, 54,623.54 and 21,433.14 is: 29,577.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,582.23 : 54,623.54 = 21,433.14 : x
  2. Step 2: Convert to fraction form
    39,582.23/54,623.54 = 21,433.14/x
  3. Step 3: Cross multiply
    39,582.23x = 54,623.54 × 21,433.14
  4. Step 4: Simplify right side
    39,582.23x = 1,170,754,033.70
  5. Step 5: Solve for x
    x = 1,170,754,033.70/39,582.23
  6. Step 6: Final answer
    x = 29,577.77

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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.