Home / 55,156.85-82,653.51-31,452.20

Finding the Fourth Proportional to 55,156.85, 82,653.51 and 31,452.20

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Solution

The fourth proportional to 55,156.85, 82,653.51 and 31,452.20 is: 47,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,156.85 : 82,653.51 = 31,452.20 : x
  2. Step 2: Convert to fraction form
    55,156.85/82,653.51 = 31,452.20/x
  3. Step 3: Cross multiply
    55,156.85x = 82,653.51 × 31,452.20
  4. Step 4: Simplify right side
    55,156.85x = 2,599,634,741.85
  5. Step 5: Solve for x
    x = 2,599,634,741.85/55,156.85
  6. Step 6: Final answer
    x = 47,131.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.