Home / 56,712.10-78,265.29-31,563.22

Finding the Fourth Proportional to 56,712.10, 78,265.29 and 31,563.22

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Solution

The fourth proportional to 56,712.10, 78,265.29 and 31,563.22 is: 43,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,712.10 : 78,265.29 = 31,563.22 : x
  2. Step 2: Convert to fraction form
    56,712.10/78,265.29 = 31,563.22/x
  3. Step 3: Cross multiply
    56,712.10x = 78,265.29 × 31,563.22
  4. Step 4: Simplify right side
    56,712.10x = 2,470,304,566.63
  5. Step 5: Solve for x
    x = 2,470,304,566.63/56,712.10
  6. Step 6: Final answer
    x = 43,558.69

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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.