Home / 53,649.93-74,041.56-29,781.21

Finding the Fourth Proportional to 53,649.93, 74,041.56 and 29,781.21

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Solution

The fourth proportional to 53,649.93, 74,041.56 and 29,781.21 is: 41,100.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,649.93 : 74,041.56 = 29,781.21 : x
  2. Step 2: Convert to fraction form
    53,649.93/74,041.56 = 29,781.21/x
  3. Step 3: Cross multiply
    53,649.93x = 74,041.56 × 29,781.21
  4. Step 4: Simplify right side
    53,649.93x = 2,205,047,247.09
  5. Step 5: Solve for x
    x = 2,205,047,247.09/53,649.93
  6. Step 6: Final answer
    x = 41,100.65

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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.