Home / 56,245.88-77,619.32-31,095.38

Finding the Fourth Proportional to 56,245.88, 77,619.32 and 31,095.38

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Solution

The fourth proportional to 56,245.88, 77,619.32 and 31,095.38 is: 42,911.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,245.88 : 77,619.32 = 31,095.38 : x
  2. Step 2: Convert to fraction form
    56,245.88/77,619.32 = 31,095.38/x
  3. Step 3: Cross multiply
    56,245.88x = 77,619.32 × 31,095.38
  4. Step 4: Simplify right side
    56,245.88x = 2,413,601,707.17
  5. Step 5: Solve for x
    x = 2,413,601,707.17/56,245.88
  6. Step 6: Final answer
    x = 42,911.62

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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.