Home / 58,921.92-81,317.64-33,436.60

Finding the Fourth Proportional to 58,921.92, 81,317.64 and 33,436.60

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Solution

The fourth proportional to 58,921.92, 81,317.64 and 33,436.60 is: 46,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,921.92 : 81,317.64 = 33,436.60 : x
  2. Step 2: Convert to fraction form
    58,921.92/81,317.64 = 33,436.60/x
  3. Step 3: Cross multiply
    58,921.92x = 81,317.64 × 33,436.60
  4. Step 4: Simplify right side
    58,921.92x = 2,718,985,401.62
  5. Step 5: Solve for x
    x = 2,718,985,401.62/58,921.92
  6. Step 6: Final answer
    x = 46,145.57

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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.