Home / 55,489.86-76,577.13-30,340.98

Finding the Fourth Proportional to 55,489.86, 76,577.13 and 30,340.98

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Solution

The fourth proportional to 55,489.86, 76,577.13 and 30,340.98 is: 41,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,489.86 : 76,577.13 = 30,340.98 : x
  2. Step 2: Convert to fraction form
    55,489.86/76,577.13 = 30,340.98/x
  3. Step 3: Cross multiply
    55,489.86x = 76,577.13 × 30,340.98
  4. Step 4: Simplify right side
    55,489.86x = 2,323,425,169.79
  5. Step 5: Solve for x
    x = 2,323,425,169.79/55,489.86
  6. Step 6: Final answer
    x = 41,871.17

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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.