Home / 40,131.09-60,160.77-19,058.13

Finding the Fourth Proportional to 40,131.09, 60,160.77 and 19,058.13

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Solution

The fourth proportional to 40,131.09, 60,160.77 and 19,058.13 is: 28,570.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,131.09 : 60,160.77 = 19,058.13 : x
  2. Step 2: Convert to fraction form
    40,131.09/60,160.77 = 19,058.13/x
  3. Step 3: Cross multiply
    40,131.09x = 60,160.77 × 19,058.13
  4. Step 4: Simplify right side
    40,131.09x = 1,146,551,775.56
  5. Step 5: Solve for x
    x = 1,146,551,775.56/40,131.09
  6. Step 6: Final answer
    x = 28,570.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.