Home / 56,880.77-78,494.90-31,387.37

Finding the Fourth Proportional to 56,880.77, 78,494.90 and 31,387.37

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Solution

The fourth proportional to 56,880.77, 78,494.90 and 31,387.37 is: 43,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,880.77 : 78,494.90 = 31,387.37 : x
  2. Step 2: Convert to fraction form
    56,880.77/78,494.90 = 31,387.37/x
  3. Step 3: Cross multiply
    56,880.77x = 78,494.90 × 31,387.37
  4. Step 4: Simplify right side
    56,880.77x = 2,463,747,920.00
  5. Step 5: Solve for x
    x = 2,463,747,920.00/56,880.77
  6. Step 6: Final answer
    x = 43,314.25

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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.