Home / 64,891.33-97,336.42-20,518.12

Finding the Fourth Proportional to 64,891.33, 97,336.42 and 20,518.12

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Solution

The fourth proportional to 64,891.33, 97,336.42 and 20,518.12 is: 30,777.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,891.33 : 97,336.42 = 20,518.12 : x
  2. Step 2: Convert to fraction form
    64,891.33/97,336.42 = 20,518.12/x
  3. Step 3: Cross multiply
    64,891.33x = 97,336.42 × 20,518.12
  4. Step 4: Simplify right side
    64,891.33x = 1,997,160,345.93
  5. Step 5: Solve for x
    x = 1,997,160,345.93/64,891.33
  6. Step 6: Final answer
    x = 30,777.00

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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.