Home / 56,941.13-78,578.07-31,448.53

Finding the Fourth Proportional to 56,941.13, 78,578.07 and 31,448.53

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Solution

The fourth proportional to 56,941.13, 78,578.07 and 31,448.53 is: 43,398.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,941.13 : 78,578.07 = 31,448.53 : x
  2. Step 2: Convert to fraction form
    56,941.13/78,578.07 = 31,448.53/x
  3. Step 3: Cross multiply
    56,941.13x = 78,578.07 × 31,448.53
  4. Step 4: Simplify right side
    56,941.13x = 2,471,164,816.37
  5. Step 5: Solve for x
    x = 2,471,164,816.37/56,941.13
  6. Step 6: Final answer
    x = 43,398.59

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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.