Home / 55,401.12-76,452.48-30,250.80

Finding the Fourth Proportional to 55,401.12, 76,452.48 and 30,250.80

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Solution

The fourth proportional to 55,401.12, 76,452.48 and 30,250.80 is: 41,745.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,401.12 : 76,452.48 = 30,250.80 : x
  2. Step 2: Convert to fraction form
    55,401.12/76,452.48 = 30,250.80/x
  3. Step 3: Cross multiply
    55,401.12x = 76,452.48 × 30,250.80
  4. Step 4: Simplify right side
    55,401.12x = 2,312,748,681.98
  5. Step 5: Solve for x
    x = 2,312,748,681.98/55,401.12
  6. Step 6: Final answer
    x = 41,745.52

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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.