Home / 38,569.10-53,230.29-21,574.29

Finding the Fourth Proportional to 38,569.10, 53,230.29 and 21,574.29

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Solution

The fourth proportional to 38,569.10, 53,230.29 and 21,574.29 is: 29,775.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,569.10 : 53,230.29 = 21,574.29 : x
  2. Step 2: Convert to fraction form
    38,569.10/53,230.29 = 21,574.29/x
  3. Step 3: Cross multiply
    38,569.10x = 53,230.29 × 21,574.29
  4. Step 4: Simplify right side
    38,569.10x = 1,148,405,713.24
  5. Step 5: Solve for x
    x = 1,148,405,713.24/38,569.10
  6. Step 6: Final answer
    x = 29,775.28

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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.