Home / 56,014.96-77,299.71-30,521.63

Finding the Fourth Proportional to 56,014.96, 77,299.71 and 30,521.63

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Solution

The fourth proportional to 56,014.96, 77,299.71 and 30,521.63 is: 42,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,014.96 : 77,299.71 = 30,521.63 : x
  2. Step 2: Convert to fraction form
    56,014.96/77,299.71 = 30,521.63/x
  3. Step 3: Cross multiply
    56,014.96x = 77,299.71 × 30,521.63
  4. Step 4: Simplify right side
    56,014.96x = 2,359,313,147.73
  5. Step 5: Solve for x
    x = 2,359,313,147.73/56,014.96
  6. Step 6: Final answer
    x = 42,119.34

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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.