Home / 55,296.34-76,316.85-31,418.26

Finding the Fourth Proportional to 55,296.34, 76,316.85 and 31,418.26

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Solution

The fourth proportional to 55,296.34, 76,316.85 and 31,418.26 is: 43,361.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,296.34 : 76,316.85 = 31,418.26 : x
  2. Step 2: Convert to fraction form
    55,296.34/76,316.85 = 31,418.26/x
  3. Step 3: Cross multiply
    55,296.34x = 76,316.85 × 31,418.26
  4. Step 4: Simplify right side
    55,296.34x = 2,397,742,635.68
  5. Step 5: Solve for x
    x = 2,397,742,635.68/55,296.34
  6. Step 6: Final answer
    x = 43,361.69

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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.