Home / 38,560.29-53,215.91-21,566.12

Finding the Fourth Proportional to 38,560.29, 53,215.91 and 21,566.12

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Solution

The fourth proportional to 38,560.29, 53,215.91 and 21,566.12 is: 29,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,560.29 : 53,215.91 = 21,566.12 : x
  2. Step 2: Convert to fraction form
    38,560.29/53,215.91 = 21,566.12/x
  3. Step 3: Cross multiply
    38,560.29x = 53,215.91 × 21,566.12
  4. Step 4: Simplify right side
    38,560.29x = 1,147,660,558.91
  5. Step 5: Solve for x
    x = 1,147,660,558.91/38,560.29
  6. Step 6: Final answer
    x = 29,762.76

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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.