Home / 58,629.40-87,911.70-19,166.20

Finding the Fourth Proportional to 58,629.40, 87,911.70 and 19,166.20

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Solution

The fourth proportional to 58,629.40, 87,911.70 and 19,166.20 is: 28,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,629.40 : 87,911.70 = 19,166.20 : x
  2. Step 2: Convert to fraction form
    58,629.40/87,911.70 = 19,166.20/x
  3. Step 3: Cross multiply
    58,629.40x = 87,911.70 × 19,166.20
  4. Step 4: Simplify right side
    58,629.40x = 1,684,933,224.54
  5. Step 5: Solve for x
    x = 1,684,933,224.54/58,629.40
  6. Step 6: Final answer
    x = 28,738.71

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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.