Home / 56,975.40-78,625.98-31,824.90

Finding the Fourth Proportional to 56,975.40, 78,625.98 and 31,824.90

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Solution

The fourth proportional to 56,975.40, 78,625.98 and 31,824.90 is: 43,918.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,975.40 : 78,625.98 = 31,824.90 : x
  2. Step 2: Convert to fraction form
    56,975.40/78,625.98 = 31,824.90/x
  3. Step 3: Cross multiply
    56,975.40x = 78,625.98 × 31,824.90
  4. Step 4: Simplify right side
    56,975.40x = 2,502,263,950.90
  5. Step 5: Solve for x
    x = 2,502,263,950.90/56,975.40
  6. Step 6: Final answer
    x = 43,918.32

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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.