Home / 64,748.33-97,122.36-20,378.96

Finding the Fourth Proportional to 64,748.33, 97,122.36 and 20,378.96

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Solution

The fourth proportional to 64,748.33, 97,122.36 and 20,378.96 is: 30,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,748.33 : 97,122.36 = 20,378.96 : x
  2. Step 2: Convert to fraction form
    64,748.33/97,122.36 = 20,378.96/x
  3. Step 3: Cross multiply
    64,748.33x = 97,122.36 × 20,378.96
  4. Step 4: Simplify right side
    64,748.33x = 1,979,252,932.35
  5. Step 5: Solve for x
    x = 1,979,252,932.35/64,748.33
  6. Step 6: Final answer
    x = 30,568.40

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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.