Home / 54,538.30-75,237.58-31,878.25

Finding the Fourth Proportional to 54,538.30, 75,237.58 and 31,878.25

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Solution

The fourth proportional to 54,538.30, 75,237.58 and 31,878.25 is: 43,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,538.30 : 75,237.58 = 31,878.25 : x
  2. Step 2: Convert to fraction form
    54,538.30/75,237.58 = 31,878.25/x
  3. Step 3: Cross multiply
    54,538.30x = 75,237.58 × 31,878.25
  4. Step 4: Simplify right side
    54,538.30x = 2,398,442,384.64
  5. Step 5: Solve for x
    x = 2,398,442,384.64/54,538.30
  6. Step 6: Final answer
    x = 43,977.21

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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.