Home / 64,000.08-88,321.32-37,144.80

Finding the Fourth Proportional to 64,000.08, 88,321.32 and 37,144.80

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Solution

The fourth proportional to 64,000.08, 88,321.32 and 37,144.80 is: 51,260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,000.08 : 88,321.32 = 37,144.80 : x
  2. Step 2: Convert to fraction form
    64,000.08/88,321.32 = 37,144.80/x
  3. Step 3: Cross multiply
    64,000.08x = 88,321.32 × 37,144.80
  4. Step 4: Simplify right side
    64,000.08x = 3,280,677,767.14
  5. Step 5: Solve for x
    x = 3,280,677,767.14/64,000.08
  6. Step 6: Final answer
    x = 51,260.53

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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.