Home / 56,132.16-84,180.72-18,683.47

Finding the Fourth Proportional to 56,132.16, 84,180.72 and 18,683.47

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Solution

The fourth proportional to 56,132.16, 84,180.72 and 18,683.47 is: 28,019.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,132.16 : 84,180.72 = 18,683.47 : x
  2. Step 2: Convert to fraction form
    56,132.16/84,180.72 = 18,683.47/x
  3. Step 3: Cross multiply
    56,132.16x = 84,180.72 × 18,683.47
  4. Step 4: Simplify right side
    56,132.16x = 1,572,788,208.08
  5. Step 5: Solve for x
    x = 1,572,788,208.08/56,132.16
  6. Step 6: Final answer
    x = 28,019.38

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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.