Home / 64,319.52-96,488.62-19,949.84

Finding the Fourth Proportional to 64,319.52, 96,488.62 and 19,949.84

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Solution

The fourth proportional to 64,319.52, 96,488.62 and 19,949.84 is: 29,927.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,319.52 : 96,488.62 = 19,949.84 : x
  2. Step 2: Convert to fraction form
    64,319.52/96,488.62 = 19,949.84/x
  3. Step 3: Cross multiply
    64,319.52x = 96,488.62 × 19,949.84
  4. Step 4: Simplify right side
    64,319.52x = 1,924,932,903.08
  5. Step 5: Solve for x
    x = 1,924,932,903.08/64,319.52
  6. Step 6: Final answer
    x = 29,927.66

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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.