Home / 55,280.48-76,284.24-30,129.76

Finding the Fourth Proportional to 55,280.48, 76,284.24 and 30,129.76

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Solution

The fourth proportional to 55,280.48, 76,284.24 and 30,129.76 is: 41,577.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,280.48 : 76,284.24 = 30,129.76 : x
  2. Step 2: Convert to fraction form
    55,280.48/76,284.24 = 30,129.76/x
  3. Step 3: Cross multiply
    55,280.48x = 76,284.24 × 30,129.76
  4. Step 4: Simplify right side
    55,280.48x = 2,298,425,842.98
  5. Step 5: Solve for x
    x = 2,298,425,842.98/55,280.48
  6. Step 6: Final answer
    x = 41,577.53

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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.