Home / 56,449.96-77,896.78-30,952.24

Finding the Fourth Proportional to 56,449.96, 77,896.78 and 30,952.24

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Solution

The fourth proportional to 56,449.96, 77,896.78 and 30,952.24 is: 42,711.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,449.96 : 77,896.78 = 30,952.24 : x
  2. Step 2: Convert to fraction form
    56,449.96/77,896.78 = 30,952.24/x
  3. Step 3: Cross multiply
    56,449.96x = 77,896.78 × 30,952.24
  4. Step 4: Simplify right side
    56,449.96x = 2,411,079,829.79
  5. Step 5: Solve for x
    x = 2,411,079,829.79/56,449.96
  6. Step 6: Final answer
    x = 42,711.81

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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.