Home / 55,561.67-76,675.15-30,411.17

Finding the Fourth Proportional to 55,561.67, 76,675.15 and 30,411.17

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Solution

The fourth proportional to 55,561.67, 76,675.15 and 30,411.17 is: 41,967.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,561.67 : 76,675.15 = 30,411.17 : x
  2. Step 2: Convert to fraction form
    55,561.67/76,675.15 = 30,411.17/x
  3. Step 3: Cross multiply
    55,561.67x = 76,675.15 × 30,411.17
  4. Step 4: Simplify right side
    55,561.67x = 2,331,781,021.43
  5. Step 5: Solve for x
    x = 2,331,781,021.43/55,561.67
  6. Step 6: Final answer
    x = 41,967.44

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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.