Home / 59,660.40-89,507.30-20,220.48

Finding the Fourth Proportional to 59,660.40, 89,507.30 and 20,220.48

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Solution

The fourth proportional to 59,660.40, 89,507.30 and 20,220.48 is: 30,336.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,660.40 : 89,507.30 = 20,220.48 : x
  2. Step 2: Convert to fraction form
    59,660.40/89,507.30 = 20,220.48/x
  3. Step 3: Cross multiply
    59,660.40x = 89,507.30 × 20,220.48
  4. Step 4: Simplify right side
    59,660.40x = 1,809,880,468.40
  5. Step 5: Solve for x
    x = 1,809,880,468.40/59,660.40
  6. Step 6: Final answer
    x = 30,336.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.