Home / 55,548.08-76,656.48-30,399.20

Finding the Fourth Proportional to 55,548.08, 76,656.48 and 30,399.20

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Solution

The fourth proportional to 55,548.08, 76,656.48 and 30,399.20 is: 41,950.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,548.08 : 76,656.48 = 30,399.20 : x
  2. Step 2: Convert to fraction form
    55,548.08/76,656.48 = 30,399.20/x
  3. Step 3: Cross multiply
    55,548.08x = 76,656.48 × 30,399.20
  4. Step 4: Simplify right side
    55,548.08x = 2,330,295,666.82
  5. Step 5: Solve for x
    x = 2,330,295,666.82/55,548.08
  6. Step 6: Final answer
    x = 41,950.97

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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.