Home / 64,632.02-96,945.21-20,257.76

Finding the Fourth Proportional to 64,632.02, 96,945.21 and 20,257.76

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Solution

The fourth proportional to 64,632.02, 96,945.21 and 20,257.76 is: 30,385.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,632.02 : 96,945.21 = 20,257.76 : x
  2. Step 2: Convert to fraction form
    64,632.02/96,945.21 = 20,257.76/x
  3. Step 3: Cross multiply
    64,632.02x = 96,945.21 × 20,257.76
  4. Step 4: Simplify right side
    64,632.02x = 1,963,892,797.33
  5. Step 5: Solve for x
    x = 1,963,892,797.33/64,632.02
  6. Step 6: Final answer
    x = 30,385.76

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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.