Home / 56,034.12-77,327.10-30,883.62

Finding the Fourth Proportional to 56,034.12, 77,327.10 and 30,883.62

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Solution

The fourth proportional to 56,034.12, 77,327.10 and 30,883.62 is: 42,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,034.12 : 77,327.10 = 30,883.62 : x
  2. Step 2: Convert to fraction form
    56,034.12/77,327.10 = 30,883.62/x
  3. Step 3: Cross multiply
    56,034.12x = 77,327.10 × 30,883.62
  4. Step 4: Simplify right side
    56,034.12x = 2,388,140,772.10
  5. Step 5: Solve for x
    x = 2,388,140,772.10/56,034.12
  6. Step 6: Final answer
    x = 42,619.40

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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.