Home / 41,290.89-56,981.12-22,428.15

Finding the Fourth Proportional to 41,290.89, 56,981.12 and 22,428.15

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Solution

The fourth proportional to 41,290.89, 56,981.12 and 22,428.15 is: 30,950.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,290.89 : 56,981.12 = 22,428.15 : x
  2. Step 2: Convert to fraction form
    41,290.89/56,981.12 = 22,428.15/x
  3. Step 3: Cross multiply
    41,290.89x = 56,981.12 × 22,428.15
  4. Step 4: Simplify right side
    41,290.89x = 1,277,980,994.39
  5. Step 5: Solve for x
    x = 1,277,980,994.39/41,290.89
  6. Step 6: Final answer
    x = 30,950.68

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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.