Home / 54,681.31-75,459.95-30,481.95

Finding the Fourth Proportional to 54,681.31, 75,459.95 and 30,481.95

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Solution

The fourth proportional to 54,681.31, 75,459.95 and 30,481.95 is: 42,064.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,681.31 : 75,459.95 = 30,481.95 : x
  2. Step 2: Convert to fraction form
    54,681.31/75,459.95 = 30,481.95/x
  3. Step 3: Cross multiply
    54,681.31x = 75,459.95 × 30,481.95
  4. Step 4: Simplify right side
    54,681.31x = 2,300,166,422.90
  5. Step 5: Solve for x
    x = 2,300,166,422.90/54,681.31
  6. Step 6: Final answer
    x = 42,064.95

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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.