Home / 64,319.58-96,488.72-19,949.91

Finding the Fourth Proportional to 64,319.58, 96,488.72 and 19,949.91

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Solution

The fourth proportional to 64,319.58, 96,488.72 and 19,949.91 is: 29,927.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,319.58 : 96,488.72 = 19,949.91 : x
  2. Step 2: Convert to fraction form
    64,319.58/96,488.72 = 19,949.91/x
  3. Step 3: Cross multiply
    64,319.58x = 96,488.72 × 19,949.91
  4. Step 4: Simplify right side
    64,319.58x = 1,924,941,280.02
  5. Step 5: Solve for x
    x = 1,924,941,280.02/64,319.58
  6. Step 6: Final answer
    x = 29,927.77

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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.