Home / 64,693.28-97,039.01-20,322.70

Finding the Fourth Proportional to 64,693.28, 97,039.01 and 20,322.70

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Solution

The fourth proportional to 64,693.28, 97,039.01 and 20,322.70 is: 30,483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,693.28 : 97,039.01 = 20,322.70 : x
  2. Step 2: Convert to fraction form
    64,693.28/97,039.01 = 20,322.70/x
  3. Step 3: Cross multiply
    64,693.28x = 97,039.01 × 20,322.70
  4. Step 4: Simplify right side
    64,693.28x = 1,972,094,496.74
  5. Step 5: Solve for x
    x = 1,972,094,496.74/64,693.28
  6. Step 6: Final answer
    x = 30,483.76

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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.