Home / 56,716.53-78,268.05-31,566.03

Finding the Fourth Proportional to 56,716.53, 78,268.05 and 31,566.03

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Solution

The fourth proportional to 56,716.53, 78,268.05 and 31,566.03 is: 43,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,716.53 : 78,268.05 = 31,566.03 : x
  2. Step 2: Convert to fraction form
    56,716.53/78,268.05 = 31,566.03/x
  3. Step 3: Cross multiply
    56,716.53x = 78,268.05 × 31,566.03
  4. Step 4: Simplify right side
    56,716.53x = 2,470,611,614.34
  5. Step 5: Solve for x
    x = 2,470,611,614.34/56,716.53
  6. Step 6: Final answer
    x = 43,560.70

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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.