Home / 56,301.39-84,317.52-31,279.38

Finding the Fourth Proportional to 56,301.39, 84,317.52 and 31,279.38

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Solution

The fourth proportional to 56,301.39, 84,317.52 and 31,279.38 is: 46,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,301.39 : 84,317.52 = 31,279.38 : x
  2. Step 2: Convert to fraction form
    56,301.39/84,317.52 = 31,279.38/x
  3. Step 3: Cross multiply
    56,301.39x = 84,317.52 × 31,279.38
  4. Step 4: Simplify right side
    56,301.39x = 2,637,399,549.84
  5. Step 5: Solve for x
    x = 2,637,399,549.84/56,301.39
  6. Step 6: Final answer
    x = 46,844.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.