Home / 64,724.60-97,086.76-20,355.24

Finding the Fourth Proportional to 64,724.60, 97,086.76 and 20,355.24

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Solution

The fourth proportional to 64,724.60, 97,086.76 and 20,355.24 is: 30,532.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,724.60 : 97,086.76 = 20,355.24 : x
  2. Step 2: Convert to fraction form
    64,724.60/97,086.76 = 20,355.24/x
  3. Step 3: Cross multiply
    64,724.60x = 97,086.76 × 20,355.24
  4. Step 4: Simplify right side
    64,724.60x = 1,976,224,300.62
  5. Step 5: Solve for x
    x = 1,976,224,300.62/64,724.60
  6. Step 6: Final answer
    x = 30,532.82

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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.