Home / 54,657.41-75,427.47-30,784.48

Finding the Fourth Proportional to 54,657.41, 75,427.47 and 30,784.48

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Solution

The fourth proportional to 54,657.41, 75,427.47 and 30,784.48 is: 42,482.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,657.41 : 75,427.47 = 30,784.48 : x
  2. Step 2: Convert to fraction form
    54,657.41/75,427.47 = 30,784.48/x
  3. Step 3: Cross multiply
    54,657.41x = 75,427.47 × 30,784.48
  4. Step 4: Simplify right side
    54,657.41x = 2,321,995,253.10
  5. Step 5: Solve for x
    x = 2,321,995,253.10/54,657.41
  6. Step 6: Final answer
    x = 42,482.72

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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.