Home / 64,631.58-89,190.07-36,337.18

Finding the Fourth Proportional to 64,631.58, 89,190.07 and 36,337.18

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Solution

The fourth proportional to 64,631.58, 89,190.07 and 36,337.18 is: 50,144.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,631.58 : 89,190.07 = 36,337.18 : x
  2. Step 2: Convert to fraction form
    64,631.58/89,190.07 = 36,337.18/x
  3. Step 3: Cross multiply
    64,631.58x = 89,190.07 × 36,337.18
  4. Step 4: Simplify right side
    64,631.58x = 3,240,915,627.80
  5. Step 5: Solve for x
    x = 3,240,915,627.80/64,631.58
  6. Step 6: Final answer
    x = 50,144.46

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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.