Home / 55,615.36-76,762.93-31,755.87

Finding the Fourth Proportional to 55,615.36, 76,762.93 and 31,755.87

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Solution

The fourth proportional to 55,615.36, 76,762.93 and 31,755.87 is: 43,830.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,615.36 : 76,762.93 = 31,755.87 : x
  2. Step 2: Convert to fraction form
    55,615.36/76,762.93 = 31,755.87/x
  3. Step 3: Cross multiply
    55,615.36x = 76,762.93 × 31,755.87
  4. Step 4: Simplify right side
    55,615.36x = 2,437,673,625.90
  5. Step 5: Solve for x
    x = 2,437,673,625.90/55,615.36
  6. Step 6: Final answer
    x = 43,830.94

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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.