Home / 53,340.49-73,611.99-30,679.46

Finding the Fourth Proportional to 53,340.49, 73,611.99 and 30,679.46

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Solution

The fourth proportional to 53,340.49, 73,611.99 and 30,679.46 is: 42,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,340.49 : 73,611.99 = 30,679.46 : x
  2. Step 2: Convert to fraction form
    53,340.49/73,611.99 = 30,679.46/x
  3. Step 3: Cross multiply
    53,340.49x = 73,611.99 × 30,679.46
  4. Step 4: Simplify right side
    53,340.49x = 2,258,376,010.71
  5. Step 5: Solve for x
    x = 2,258,376,010.71/53,340.49
  6. Step 6: Final answer
    x = 42,338.87

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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.