Home / 56,046.88-77,350.14-30,896.36

Finding the Fourth Proportional to 56,046.88, 77,350.14 and 30,896.36

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Solution

The fourth proportional to 56,046.88, 77,350.14 and 30,896.36 is: 42,639.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,046.88 : 77,350.14 = 30,896.36 : x
  2. Step 2: Convert to fraction form
    56,046.88/77,350.14 = 30,896.36/x
  3. Step 3: Cross multiply
    56,046.88x = 77,350.14 × 30,896.36
  4. Step 4: Simplify right side
    56,046.88x = 2,389,837,771.49
  5. Step 5: Solve for x
    x = 2,389,837,771.49/56,046.88
  6. Step 6: Final answer
    x = 42,639.98

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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.