Home / 55,538.96-76,647.87-31,666.23

Finding the Fourth Proportional to 55,538.96, 76,647.87 and 31,666.23

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Solution

The fourth proportional to 55,538.96, 76,647.87 and 31,666.23 is: 43,701.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,538.96 : 76,647.87 = 31,666.23 : x
  2. Step 2: Convert to fraction form
    55,538.96/76,647.87 = 31,666.23/x
  3. Step 3: Cross multiply
    55,538.96x = 76,647.87 × 31,666.23
  4. Step 4: Simplify right side
    55,538.96x = 2,427,149,080.43
  5. Step 5: Solve for x
    x = 2,427,149,080.43/55,538.96
  6. Step 6: Final answer
    x = 43,701.74

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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.