Home / 74,247.36-111,360.24-21,642.72

Finding the Fourth Proportional to 74,247.36, 111,360.24 and 21,642.72

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Solution

The fourth proportional to 74,247.36, 111,360.24 and 21,642.72 is: 32,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,247.36 : 111,360.24 = 21,642.72 : x
  2. Step 2: Convert to fraction form
    74,247.36/111,360.24 = 21,642.72/x
  3. Step 3: Cross multiply
    74,247.36x = 111,360.24 × 21,642.72
  4. Step 4: Simplify right side
    74,247.36x = 2,410,138,493.45
  5. Step 5: Solve for x
    x = 2,410,138,493.45/74,247.36
  6. Step 6: Final answer
    x = 32,460.93

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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.