Home / 64,842.28-97,226.94-20,460.76

Finding the Fourth Proportional to 64,842.28, 97,226.94 and 20,460.76

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Solution

The fourth proportional to 64,842.28, 97,226.94 and 20,460.76 is: 30,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,842.28 : 97,226.94 = 20,460.76 : x
  2. Step 2: Convert to fraction form
    64,842.28/97,226.94 = 20,460.76/x
  3. Step 3: Cross multiply
    64,842.28x = 97,226.94 × 20,460.76
  4. Step 4: Simplify right side
    64,842.28x = 1,989,337,084.87
  5. Step 5: Solve for x
    x = 1,989,337,084.87/64,842.28
  6. Step 6: Final answer
    x = 30,679.63

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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.