Home / 40,896.63-61,279.34-15,921.09

Finding the Fourth Proportional to 40,896.63, 61,279.34 and 15,921.09

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Solution

The fourth proportional to 40,896.63, 61,279.34 and 15,921.09 is: 23,856.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,896.63 : 61,279.34 = 15,921.09 : x
  2. Step 2: Convert to fraction form
    40,896.63/61,279.34 = 15,921.09/x
  3. Step 3: Cross multiply
    40,896.63x = 61,279.34 × 15,921.09
  4. Step 4: Simplify right side
    40,896.63x = 975,633,807.68
  5. Step 5: Solve for x
    x = 975,633,807.68/40,896.63
  6. Step 6: Final answer
    x = 23,856.09

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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.