Home / 39,095.29-53,951.28-21,190.10

Finding the Fourth Proportional to 39,095.29, 53,951.28 and 21,190.10

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Solution

The fourth proportional to 39,095.29, 53,951.28 and 21,190.10 is: 29,242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,095.29 : 53,951.28 = 21,190.10 : x
  2. Step 2: Convert to fraction form
    39,095.29/53,951.28 = 21,190.10/x
  3. Step 3: Cross multiply
    39,095.29x = 53,951.28 × 21,190.10
  4. Step 4: Simplify right side
    39,095.29x = 1,143,233,018.33
  5. Step 5: Solve for x
    x = 1,143,233,018.33/39,095.29
  6. Step 6: Final answer
    x = 29,242.22

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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.