Home / 59,932.08-89,903.16-20,491.92

Finding the Fourth Proportional to 59,932.08, 89,903.16 and 20,491.92

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Solution

The fourth proportional to 59,932.08, 89,903.16 and 20,491.92 is: 30,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,932.08 : 89,903.16 = 20,491.92 : x
  2. Step 2: Convert to fraction form
    59,932.08/89,903.16 = 20,491.92/x
  3. Step 3: Cross multiply
    59,932.08x = 89,903.16 × 20,491.92
  4. Step 4: Simplify right side
    59,932.08x = 1,842,288,362.47
  5. Step 5: Solve for x
    x = 1,842,288,362.47/59,932.08
  6. Step 6: Final answer
    x = 30,739.60

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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.