Home / 59,628.16-89,460.16-20,181.76

Finding the Fourth Proportional to 59,628.16, 89,460.16 and 20,181.76

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Solution

The fourth proportional to 59,628.16, 89,460.16 and 20,181.76 is: 30,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,628.16 : 89,460.16 = 20,181.76 : x
  2. Step 2: Convert to fraction form
    59,628.16/89,460.16 = 20,181.76/x
  3. Step 3: Cross multiply
    59,628.16x = 89,460.16 × 20,181.76
  4. Step 4: Simplify right side
    59,628.16x = 1,805,463,478.68
  5. Step 5: Solve for x
    x = 1,805,463,478.68/59,628.16
  6. Step 6: Final answer
    x = 30,278.71

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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.