Home / 38,163.13-52,664.77-21,167.40

Finding the Fourth Proportional to 38,163.13, 52,664.77 and 21,167.40

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Solution

The fourth proportional to 38,163.13, 52,664.77 and 21,167.40 is: 29,210.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,163.13 : 52,664.77 = 21,167.40 : x
  2. Step 2: Convert to fraction form
    38,163.13/52,664.77 = 21,167.40/x
  3. Step 3: Cross multiply
    38,163.13x = 52,664.77 × 21,167.40
  4. Step 4: Simplify right side
    38,163.13x = 1,114,776,397.07
  5. Step 5: Solve for x
    x = 1,114,776,397.07/38,163.13
  6. Step 6: Final answer
    x = 29,210.82

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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.