Home / 53,432.80-80,083.56-30,010

Finding the Fourth Proportional to 53,432.80, 80,083.56 and 30,010

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Solution

The fourth proportional to 53,432.80, 80,083.56 and 30,010 is: 44,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,432.80 : 80,083.56 = 30,010 : x
  2. Step 2: Convert to fraction form
    53,432.80/80,083.56 = 30,010/x
  3. Step 3: Cross multiply
    53,432.80x = 80,083.56 × 30,010
  4. Step 4: Simplify right side
    53,432.80x = 2,403,307,635.60
  5. Step 5: Solve for x
    x = 2,403,307,635.60/53,432.80
  6. Step 6: Final answer
    x = 44,978.13

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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.