Home / 56,809.14-78,393.09-31,314.18

Finding the Fourth Proportional to 56,809.14, 78,393.09 and 31,314.18

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Solution

The fourth proportional to 56,809.14, 78,393.09 and 31,314.18 is: 43,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,809.14 : 78,393.09 = 31,314.18 : x
  2. Step 2: Convert to fraction form
    56,809.14/78,393.09 = 31,314.18/x
  3. Step 3: Cross multiply
    56,809.14x = 78,393.09 × 31,314.18
  4. Step 4: Simplify right side
    56,809.14x = 2,454,815,610.41
  5. Step 5: Solve for x
    x = 2,454,815,610.41/56,809.14
  6. Step 6: Final answer
    x = 43,211.63

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1.5x scale

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.