Home / 64,824.57-97,236.87-20,454.80

Finding the Fourth Proportional to 64,824.57, 97,236.87 and 20,454.80

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Solution

The fourth proportional to 64,824.57, 97,236.87 and 20,454.80 is: 30,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,824.57 : 97,236.87 = 20,454.80 : x
  2. Step 2: Convert to fraction form
    64,824.57/97,236.87 = 20,454.80/x
  3. Step 3: Cross multiply
    64,824.57x = 97,236.87 × 20,454.80
  4. Step 4: Simplify right side
    64,824.57x = 1,988,960,242.29
  5. Step 5: Solve for x
    x = 1,988,960,242.29/64,824.57
  6. Step 6: Final answer
    x = 30,682.20

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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.