Home / 64,601.52-89,134.20-39,441.84

Finding the Fourth Proportional to 64,601.52, 89,134.20 and 39,441.84

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Solution

The fourth proportional to 64,601.52, 89,134.20 and 39,441.84 is: 54,420.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,601.52 : 89,134.20 = 39,441.84 : x
  2. Step 2: Convert to fraction form
    64,601.52/89,134.20 = 39,441.84/x
  3. Step 3: Cross multiply
    64,601.52x = 89,134.20 × 39,441.84
  4. Step 4: Simplify right side
    64,601.52x = 3,515,616,854.93
  5. Step 5: Solve for x
    x = 3,515,616,854.93/64,601.52
  6. Step 6: Final answer
    x = 54,420.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.