Home / 64,632.08-89,190.76-36,337.68

Finding the Fourth Proportional to 64,632.08, 89,190.76 and 36,337.68

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Solution

The fourth proportional to 64,632.08, 89,190.76 and 36,337.68 is: 50,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,632.08 : 89,190.76 = 36,337.68 : x
  2. Step 2: Convert to fraction form
    64,632.08/89,190.76 = 36,337.68/x
  3. Step 3: Cross multiply
    64,632.08x = 89,190.76 × 36,337.68
  4. Step 4: Simplify right side
    64,632.08x = 3,240,985,295.84
  5. Step 5: Solve for x
    x = 3,240,985,295.84/64,632.08
  6. Step 6: Final answer
    x = 50,145.15

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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.