Home / 38,565.99-53,215.70-21,569.36

Finding the Fourth Proportional to 38,565.99, 53,215.70 and 21,569.36

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Solution

The fourth proportional to 38,565.99, 53,215.70 and 21,569.36 is: 29,762.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,565.99 : 53,215.70 = 21,569.36 : x
  2. Step 2: Convert to fraction form
    38,565.99/53,215.70 = 21,569.36/x
  3. Step 3: Cross multiply
    38,565.99x = 53,215.70 × 21,569.36
  4. Step 4: Simplify right side
    38,565.99x = 1,147,828,217.03
  5. Step 5: Solve for x
    x = 1,147,828,217.03/38,565.99
  6. Step 6: Final answer
    x = 29,762.71

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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.