Home / 38,582.79-53,246.70-21,588.99

Finding the Fourth Proportional to 38,582.79, 53,246.70 and 21,588.99

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Solution

The fourth proportional to 38,582.79, 53,246.70 and 21,588.99 is: 29,794.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,582.79 : 53,246.70 = 21,588.99 : x
  2. Step 2: Convert to fraction form
    38,582.79/53,246.70 = 21,588.99/x
  3. Step 3: Cross multiply
    38,582.79x = 53,246.70 × 21,588.99
  4. Step 4: Simplify right side
    38,582.79x = 1,149,542,473.83
  5. Step 5: Solve for x
    x = 1,149,542,473.83/38,582.79
  6. Step 6: Final answer
    x = 29,794.18

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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.