Home / 54,239.09-74,851.56-30,365.55

Finding the Fourth Proportional to 54,239.09, 74,851.56 and 30,365.55

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Solution

The fourth proportional to 54,239.09, 74,851.56 and 30,365.55 is: 41,905.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,239.09 : 74,851.56 = 30,365.55 : x
  2. Step 2: Convert to fraction form
    54,239.09/74,851.56 = 30,365.55/x
  3. Step 3: Cross multiply
    54,239.09x = 74,851.56 × 30,365.55
  4. Step 4: Simplify right side
    54,239.09x = 2,272,908,787.76
  5. Step 5: Solve for x
    x = 2,272,908,787.76/54,239.09
  6. Step 6: Final answer
    x = 41,905.37

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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.