Home / 56,414.72-77,852.80-31,264.64

Finding the Fourth Proportional to 56,414.72, 77,852.80 and 31,264.64

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Solution

The fourth proportional to 56,414.72, 77,852.80 and 31,264.64 is: 43,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,414.72 : 77,852.80 = 31,264.64 : x
  2. Step 2: Convert to fraction form
    56,414.72/77,852.80 = 31,264.64/x
  3. Step 3: Cross multiply
    56,414.72x = 77,852.80 × 31,264.64
  4. Step 4: Simplify right side
    56,414.72x = 2,434,039,764.99
  5. Step 5: Solve for x
    x = 2,434,039,764.99/56,414.72
  6. Step 6: Final answer
    x = 43,145.47

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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.