Home / 64,439.82-88,925.85-36,144.90

Finding the Fourth Proportional to 64,439.82, 88,925.85 and 36,144.90

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Solution

The fourth proportional to 64,439.82, 88,925.85 and 36,144.90 is: 49,879.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,439.82 : 88,925.85 = 36,144.90 : x
  2. Step 2: Convert to fraction form
    64,439.82/88,925.85 = 36,144.90/x
  3. Step 3: Cross multiply
    64,439.82x = 88,925.85 × 36,144.90
  4. Step 4: Simplify right side
    64,439.82x = 3,214,215,955.67
  5. Step 5: Solve for x
    x = 3,214,215,955.67/64,439.82
  6. Step 6: Final answer
    x = 49,879.34

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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.