Home / 39,543.19-54,570.11-22,776.19

Finding the Fourth Proportional to 39,543.19, 54,570.11 and 22,776.19

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Solution

The fourth proportional to 39,543.19, 54,570.11 and 22,776.19 is: 31,431.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,543.19 : 54,570.11 = 22,776.19 : x
  2. Step 2: Convert to fraction form
    39,543.19/54,570.11 = 22,776.19/x
  3. Step 3: Cross multiply
    39,543.19x = 54,570.11 × 22,776.19
  4. Step 4: Simplify right side
    39,543.19x = 1,242,898,943.37
  5. Step 5: Solve for x
    x = 1,242,898,943.37/39,543.19
  6. Step 6: Final answer
    x = 31,431.43

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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.