Home / 55,403.55-76,437.90-31,524.26

Finding the Fourth Proportional to 55,403.55, 76,437.90 and 31,524.26

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Solution

The fourth proportional to 55,403.55, 76,437.90 and 31,524.26 is: 43,492.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,403.55 : 76,437.90 = 31,524.26 : x
  2. Step 2: Convert to fraction form
    55,403.55/76,437.90 = 31,524.26/x
  3. Step 3: Cross multiply
    55,403.55x = 76,437.90 × 31,524.26
  4. Step 4: Simplify right side
    55,403.55x = 2,409,647,851.26
  5. Step 5: Solve for x
    x = 2,409,647,851.26/55,403.55
  6. Step 6: Final answer
    x = 43,492.66

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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.