Home / 32,643.70-48,919.75-13,898.36

Finding the Fourth Proportional to 32,643.70, 48,919.75 and 13,898.36

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Solution

The fourth proportional to 32,643.70, 48,919.75 and 13,898.36 is: 20,828.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,643.70 : 48,919.75 = 13,898.36 : x
  2. Step 2: Convert to fraction form
    32,643.70/48,919.75 = 13,898.36/x
  3. Step 3: Cross multiply
    32,643.70x = 48,919.75 × 13,898.36
  4. Step 4: Simplify right side
    32,643.70x = 679,904,296.61
  5. Step 5: Solve for x
    x = 679,904,296.61/32,643.70
  6. Step 6: Final answer
    x = 20,828.04

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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.