Home / 54,220.40-74,824.14-30,347.08

Finding the Fourth Proportional to 54,220.40, 74,824.14 and 30,347.08

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Solution

The fourth proportional to 54,220.40, 74,824.14 and 30,347.08 is: 41,878.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,220.40 : 74,824.14 = 30,347.08 : x
  2. Step 2: Convert to fraction form
    54,220.40/74,824.14 = 30,347.08/x
  3. Step 3: Cross multiply
    54,220.40x = 74,824.14 × 30,347.08
  4. Step 4: Simplify right side
    54,220.40x = 2,270,694,089.25
  5. Step 5: Solve for x
    x = 2,270,694,089.25/54,220.40
  6. Step 6: Final answer
    x = 41,878.96

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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.