Home / 56,155.26-77,494.42-30,661.85

Finding the Fourth Proportional to 56,155.26, 77,494.42 and 30,661.85

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Solution

The fourth proportional to 56,155.26, 77,494.42 and 30,661.85 is: 42,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,155.26 : 77,494.42 = 30,661.85 : x
  2. Step 2: Convert to fraction form
    56,155.26/77,494.42 = 30,661.85/x
  3. Step 3: Cross multiply
    56,155.26x = 77,494.42 × 30,661.85
  4. Step 4: Simplify right side
    56,155.26x = 2,376,121,969.06
  5. Step 5: Solve for x
    x = 2,376,121,969.06/56,155.26
  6. Step 6: Final answer
    x = 42,313.43

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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.