Home / 64,708.20-97,060.68-20,328.84

Finding the Fourth Proportional to 64,708.20, 97,060.68 and 20,328.84

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Solution

The fourth proportional to 64,708.20, 97,060.68 and 20,328.84 is: 30,492.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,708.20 : 97,060.68 = 20,328.84 : x
  2. Step 2: Convert to fraction form
    64,708.20/97,060.68 = 20,328.84/x
  3. Step 3: Cross multiply
    64,708.20x = 97,060.68 × 20,328.84
  4. Step 4: Simplify right side
    64,708.20x = 1,973,131,034.01
  5. Step 5: Solve for x
    x = 1,973,131,034.01/64,708.20
  6. Step 6: Final answer
    x = 30,492.75

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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.