Home / 64,247.55-96,315.89-30,921.77

Finding the Fourth Proportional to 64,247.55, 96,315.89 and 30,921.77

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Solution

The fourth proportional to 64,247.55, 96,315.89 and 30,921.77 is: 46,355.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,247.55 : 96,315.89 = 30,921.77 : x
  2. Step 2: Convert to fraction form
    64,247.55/96,315.89 = 30,921.77/x
  3. Step 3: Cross multiply
    64,247.55x = 96,315.89 × 30,921.77
  4. Step 4: Simplify right side
    64,247.55x = 2,978,257,161.74
  5. Step 5: Solve for x
    x = 2,978,257,161.74/64,247.55
  6. Step 6: Final answer
    x = 46,355.96

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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.