Home / 54,220.86-74,824.05-30,347.53

Finding the Fourth Proportional to 54,220.86, 74,824.05 and 30,347.53

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Solution

The fourth proportional to 54,220.86, 74,824.05 and 30,347.53 is: 41,879.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,220.86 : 74,824.05 = 30,347.53 : x
  2. Step 2: Convert to fraction form
    54,220.86/74,824.05 = 30,347.53/x
  3. Step 3: Cross multiply
    54,220.86x = 74,824.05 × 30,347.53
  4. Step 4: Simplify right side
    54,220.86x = 2,270,725,028.84
  5. Step 5: Solve for x
    x = 2,270,725,028.84/54,220.86
  6. Step 6: Final answer
    x = 41,879.18

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1.5x scale

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.