Home / 56,105.08-77,421.66-30,954.52

Finding the Fourth Proportional to 56,105.08, 77,421.66 and 30,954.52

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Solution

The fourth proportional to 56,105.08, 77,421.66 and 30,954.52 is: 42,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,105.08 : 77,421.66 = 30,954.52 : x
  2. Step 2: Convert to fraction form
    56,105.08/77,421.66 = 30,954.52/x
  3. Step 3: Cross multiply
    56,105.08x = 77,421.66 × 30,954.52
  4. Step 4: Simplify right side
    56,105.08x = 2,396,550,322.90
  5. Step 5: Solve for x
    x = 2,396,550,322.90/56,105.08
  6. Step 6: Final answer
    x = 42,715.39

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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.