Home / 53,101.74-73,280.64-30,442.08

Finding the Fourth Proportional to 53,101.74, 73,280.64 and 30,442.08

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Solution

The fourth proportional to 53,101.74, 73,280.64 and 30,442.08 is: 42,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,101.74 : 73,280.64 = 30,442.08 : x
  2. Step 2: Convert to fraction form
    53,101.74/73,280.64 = 30,442.08/x
  3. Step 3: Cross multiply
    53,101.74x = 73,280.64 × 30,442.08
  4. Step 4: Simplify right side
    53,101.74x = 2,230,815,105.33
  5. Step 5: Solve for x
    x = 2,230,815,105.33/53,101.74
  6. Step 6: Final answer
    x = 42,010.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.