Home / 64,416.06-96,639.08-20,040.48

Finding the Fourth Proportional to 64,416.06, 96,639.08 and 20,040.48

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Solution

The fourth proportional to 64,416.06, 96,639.08 and 20,040.48 is: 30,065.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,416.06 : 96,639.08 = 20,040.48 : x
  2. Step 2: Convert to fraction form
    64,416.06/96,639.08 = 20,040.48/x
  3. Step 3: Cross multiply
    64,416.06x = 96,639.08 × 20,040.48
  4. Step 4: Simplify right side
    64,416.06x = 1,936,693,449.76
  5. Step 5: Solve for x
    x = 1,936,693,449.76/64,416.06
  6. Step 6: Final answer
    x = 30,065.38

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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.