Home / 57,151.11-79,018.97-50,057.13

Finding the Fourth Proportional to 57,151.11, 79,018.97 and 50,057.13

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Solution

The fourth proportional to 57,151.11, 79,018.97 and 50,057.13 is: 69,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,151.11 : 79,018.97 = 50,057.13 : x
  2. Step 2: Convert to fraction form
    57,151.11/79,018.97 = 50,057.13/x
  3. Step 3: Cross multiply
    57,151.11x = 79,018.97 × 50,057.13
  4. Step 4: Simplify right side
    57,151.11x = 3,955,462,603.47
  5. Step 5: Solve for x
    x = 3,955,462,603.47/57,151.11
  6. Step 6: Final answer
    x = 69,210.60

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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.