Home / 64,211.32-96,336.06-30,921.76

Finding the Fourth Proportional to 64,211.32, 96,336.06 and 30,921.76

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Solution

The fourth proportional to 64,211.32, 96,336.06 and 30,921.76 is: 46,391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,211.32 : 96,336.06 = 30,921.76 : x
  2. Step 2: Convert to fraction form
    64,211.32/96,336.06 = 30,921.76/x
  3. Step 3: Cross multiply
    64,211.32x = 96,336.06 × 30,921.76
  4. Step 4: Simplify right side
    64,211.32x = 2,978,880,526.67
  5. Step 5: Solve for x
    x = 2,978,880,526.67/64,211.32
  6. Step 6: Final answer
    x = 46,391.83

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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.