Home / 56,010.09-77,293.68-30,516.38

Finding the Fourth Proportional to 56,010.09, 77,293.68 and 30,516.38

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Solution

The fourth proportional to 56,010.09, 77,293.68 and 30,516.38 is: 42,112.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,010.09 : 77,293.68 = 30,516.38 : x
  2. Step 2: Convert to fraction form
    56,010.09/77,293.68 = 30,516.38/x
  3. Step 3: Cross multiply
    56,010.09x = 77,293.68 × 30,516.38
  4. Step 4: Simplify right side
    56,010.09x = 2,358,723,310.48
  5. Step 5: Solve for x
    x = 2,358,723,310.48/56,010.09
  6. Step 6: Final answer
    x = 42,112.47

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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.