Home / 56,160.47-84,212.53-18,707.49

Finding the Fourth Proportional to 56,160.47, 84,212.53 and 18,707.49

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Solution

The fourth proportional to 56,160.47, 84,212.53 and 18,707.49 is: 28,051.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,160.47 : 84,212.53 = 18,707.49 : x
  2. Step 2: Convert to fraction form
    56,160.47/84,212.53 = 18,707.49/x
  3. Step 3: Cross multiply
    56,160.47x = 84,212.53 × 18,707.49
  4. Step 4: Simplify right side
    56,160.47x = 1,575,405,016.08
  5. Step 5: Solve for x
    x = 1,575,405,016.08/56,160.47
  6. Step 6: Final answer
    x = 28,051.85

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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.