Home / 64,921.94-97,373.13-20,542.92

Finding the Fourth Proportional to 64,921.94, 97,373.13 and 20,542.92

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Solution

The fourth proportional to 64,921.94, 97,373.13 and 20,542.92 is: 30,811.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,921.94 : 97,373.13 = 20,542.92 : x
  2. Step 2: Convert to fraction form
    64,921.94/97,373.13 = 20,542.92/x
  3. Step 3: Cross multiply
    64,921.94x = 97,373.13 × 20,542.92
  4. Step 4: Simplify right side
    64,921.94x = 2,000,328,419.74
  5. Step 5: Solve for x
    x = 2,000,328,419.74/64,921.94
  6. Step 6: Final answer
    x = 30,811.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.