Home / 64,103.13-96,165.63-19,728.90

Finding the Fourth Proportional to 64,103.13, 96,165.63 and 19,728.90

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Solution

The fourth proportional to 64,103.13, 96,165.63 and 19,728.90 is: 29,596.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,103.13 : 96,165.63 = 19,728.90 : x
  2. Step 2: Convert to fraction form
    64,103.13/96,165.63 = 19,728.90/x
  3. Step 3: Cross multiply
    64,103.13x = 96,165.63 × 19,728.90
  4. Step 4: Simplify right side
    64,103.13x = 1,897,242,097.71
  5. Step 5: Solve for x
    x = 1,897,242,097.71/64,103.13
  6. Step 6: Final answer
    x = 29,596.72

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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.