Home / 56,487.93-77,954.18-30,996.83

Finding the Fourth Proportional to 56,487.93, 77,954.18 and 30,996.83

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Solution

The fourth proportional to 56,487.93, 77,954.18 and 30,996.83 is: 42,776.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,487.93 : 77,954.18 = 30,996.83 : x
  2. Step 2: Convert to fraction form
    56,487.93/77,954.18 = 30,996.83/x
  3. Step 3: Cross multiply
    56,487.93x = 77,954.18 × 30,996.83
  4. Step 4: Simplify right side
    56,487.93x = 2,416,331,920.49
  5. Step 5: Solve for x
    x = 2,416,331,920.49/56,487.93
  6. Step 6: Final answer
    x = 42,776.07

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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.