Home / 55,344.58-76,372.41-31,477.06

Finding the Fourth Proportional to 55,344.58, 76,372.41 and 31,477.06

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Solution

The fourth proportional to 55,344.58, 76,372.41 and 31,477.06 is: 43,436.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,344.58 : 76,372.41 = 31,477.06 : x
  2. Step 2: Convert to fraction form
    55,344.58/76,372.41 = 31,477.06/x
  3. Step 3: Cross multiply
    55,344.58x = 76,372.41 × 31,477.06
  4. Step 4: Simplify right side
    55,344.58x = 2,403,978,931.91
  5. Step 5: Solve for x
    x = 2,403,978,931.91/55,344.58
  6. Step 6: Final answer
    x = 43,436.57

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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.