Home / 38,563.49-53,215.18-21,569.29

Finding the Fourth Proportional to 38,563.49, 53,215.18 and 21,569.29

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Solution

The fourth proportional to 38,563.49, 53,215.18 and 21,569.29 is: 29,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,563.49 : 53,215.18 = 21,569.29 : x
  2. Step 2: Convert to fraction form
    38,563.49/53,215.18 = 21,569.29/x
  3. Step 3: Cross multiply
    38,563.49x = 53,215.18 × 21,569.29
  4. Step 4: Simplify right side
    38,563.49x = 1,147,813,462.86
  5. Step 5: Solve for x
    x = 1,147,813,462.86/38,563.49
  6. Step 6: Final answer
    x = 29,764.25

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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.