Home / 64,513.56-89,037.90-36,221.16

Finding the Fourth Proportional to 64,513.56, 89,037.90 and 36,221.16

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Solution

The fourth proportional to 64,513.56, 89,037.90 and 36,221.16 is: 49,990.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,513.56 : 89,037.90 = 36,221.16 : x
  2. Step 2: Convert to fraction form
    64,513.56/89,037.90 = 36,221.16/x
  3. Step 3: Cross multiply
    64,513.56x = 89,037.90 × 36,221.16
  4. Step 4: Simplify right side
    64,513.56x = 3,225,056,021.96
  5. Step 5: Solve for x
    x = 3,225,056,021.96/64,513.56
  6. Step 6: Final answer
    x = 49,990.36

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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.