Home / 53,967.91-80,902.86-18,888.43

Finding the Fourth Proportional to 53,967.91, 80,902.86 and 18,888.43

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Solution

The fourth proportional to 53,967.91, 80,902.86 and 18,888.43 is: 28,315.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,967.91 : 80,902.86 = 18,888.43 : x
  2. Step 2: Convert to fraction form
    53,967.91/80,902.86 = 18,888.43/x
  3. Step 3: Cross multiply
    53,967.91x = 80,902.86 × 18,888.43
  4. Step 4: Simplify right side
    53,967.91x = 1,528,128,007.91
  5. Step 5: Solve for x
    x = 1,528,128,007.91/53,967.91
  6. Step 6: Final answer
    x = 28,315.49

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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.