Home / 55,960.46-77,225.29-30,809.96

Finding the Fourth Proportional to 55,960.46, 77,225.29 and 30,809.96

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Solution

The fourth proportional to 55,960.46, 77,225.29 and 30,809.96 is: 42,517.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,960.46 : 77,225.29 = 30,809.96 : x
  2. Step 2: Convert to fraction form
    55,960.46/77,225.29 = 30,809.96/x
  3. Step 3: Cross multiply
    55,960.46x = 77,225.29 × 30,809.96
  4. Step 4: Simplify right side
    55,960.46x = 2,379,307,632.74
  5. Step 5: Solve for x
    x = 2,379,307,632.74/55,960.46
  6. Step 6: Final answer
    x = 42,517.66

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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.