Home / 54,368.74-75,028.80-30,495.20

Finding the Fourth Proportional to 54,368.74, 75,028.80 and 30,495.20

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Solution

The fourth proportional to 54,368.74, 75,028.80 and 30,495.20 is: 42,083.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,368.74 : 75,028.80 = 30,495.20 : x
  2. Step 2: Convert to fraction form
    54,368.74/75,028.80 = 30,495.20/x
  3. Step 3: Cross multiply
    54,368.74x = 75,028.80 × 30,495.20
  4. Step 4: Simplify right side
    54,368.74x = 2,288,018,261.76
  5. Step 5: Solve for x
    x = 2,288,018,261.76/54,368.74
  6. Step 6: Final answer
    x = 42,083.35

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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.