Home / 64,274.64-96,416.46-19,895.55

Finding the Fourth Proportional to 64,274.64, 96,416.46 and 19,895.55

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Solution

The fourth proportional to 64,274.64, 96,416.46 and 19,895.55 is: 29,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,274.64 : 96,416.46 = 19,895.55 : x
  2. Step 2: Convert to fraction form
    64,274.64/96,416.46 = 19,895.55/x
  3. Step 3: Cross multiply
    64,274.64x = 96,416.46 × 19,895.55
  4. Step 4: Simplify right side
    64,274.64x = 1,918,258,500.75
  5. Step 5: Solve for x
    x = 1,918,258,500.75/64,274.64
  6. Step 6: Final answer
    x = 29,844.72

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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.