Home / 38,545.29-53,192.34-21,549.51

Finding the Fourth Proportional to 38,545.29, 53,192.34 and 21,549.51

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Solution

The fourth proportional to 38,545.29, 53,192.34 and 21,549.51 is: 29,738.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,545.29 : 53,192.34 = 21,549.51 : x
  2. Step 2: Convert to fraction form
    38,545.29/53,192.34 = 21,549.51/x
  3. Step 3: Cross multiply
    38,545.29x = 53,192.34 × 21,549.51
  4. Step 4: Simplify right side
    38,545.29x = 1,146,268,862.75
  5. Step 5: Solve for x
    x = 1,146,268,862.75/38,545.29
  6. Step 6: Final answer
    x = 29,738.23

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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.