Home / 64,673.08-89,241.60-36,378.16

Finding the Fourth Proportional to 64,673.08, 89,241.60 and 36,378.16

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Solution

The fourth proportional to 64,673.08, 89,241.60 and 36,378.16 is: 50,197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,673.08 : 89,241.60 = 36,378.16 : x
  2. Step 2: Convert to fraction form
    64,673.08/89,241.60 = 36,378.16/x
  3. Step 3: Cross multiply
    64,673.08x = 89,241.60 × 36,378.16
  4. Step 4: Simplify right side
    64,673.08x = 3,246,445,203.46
  5. Step 5: Solve for x
    x = 3,246,445,203.46/64,673.08
  6. Step 6: Final answer
    x = 50,197.78

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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.