Home / 56,518.12-77,995.22-31,367.62

Finding the Fourth Proportional to 56,518.12, 77,995.22 and 31,367.62

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Solution

The fourth proportional to 56,518.12, 77,995.22 and 31,367.62 is: 43,287.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,518.12 : 77,995.22 = 31,367.62 : x
  2. Step 2: Convert to fraction form
    56,518.12/77,995.22 = 31,367.62/x
  3. Step 3: Cross multiply
    56,518.12x = 77,995.22 × 31,367.62
  4. Step 4: Simplify right side
    56,518.12x = 2,446,524,422.78
  5. Step 5: Solve for x
    x = 2,446,524,422.78/56,518.12
  6. Step 6: Final answer
    x = 43,287.43

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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.