Home / 53,225.42-79,838.10-21,652.65

Finding the Fourth Proportional to 53,225.42, 79,838.10 and 21,652.65

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Solution

The fourth proportional to 53,225.42, 79,838.10 and 21,652.65 is: 32,478.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,225.42 : 79,838.10 = 21,652.65 : x
  2. Step 2: Convert to fraction form
    53,225.42/79,838.10 = 21,652.65/x
  3. Step 3: Cross multiply
    53,225.42x = 79,838.10 × 21,652.65
  4. Step 4: Simplify right side
    53,225.42x = 1,728,706,435.97
  5. Step 5: Solve for x
    x = 1,728,706,435.97/53,225.42
  6. Step 6: Final answer
    x = 32,478.97

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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.