Home / 54,328.74-74,973.56-30,455.44

Finding the Fourth Proportional to 54,328.74, 74,973.56 and 30,455.44

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Solution

The fourth proportional to 54,328.74, 74,973.56 and 30,455.44 is: 42,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328.74 : 74,973.56 = 30,455.44 : x
  2. Step 2: Convert to fraction form
    54,328.74/74,973.56 = 30,455.44/x
  3. Step 3: Cross multiply
    54,328.74x = 74,973.56 × 30,455.44
  4. Step 4: Simplify right side
    54,328.74x = 2,283,352,758.17
  5. Step 5: Solve for x
    x = 2,283,352,758.17/54,328.74
  6. Step 6: Final answer
    x = 42,028.45

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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.