Home / 56,948.13-78,589.44-34,287.57

Finding the Fourth Proportional to 56,948.13, 78,589.44 and 34,287.57

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Solution

The fourth proportional to 56,948.13, 78,589.44 and 34,287.57 is: 47,317.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,948.13 : 78,589.44 = 34,287.57 : x
  2. Step 2: Convert to fraction form
    56,948.13/78,589.44 = 34,287.57/x
  3. Step 3: Cross multiply
    56,948.13x = 78,589.44 × 34,287.57
  4. Step 4: Simplify right side
    56,948.13x = 2,694,640,925.26
  5. Step 5: Solve for x
    x = 2,694,640,925.26/56,948.13
  6. Step 6: Final answer
    x = 47,317.46

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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.