Home / 54,538.22-75,237.47-31,878.17

Finding the Fourth Proportional to 54,538.22, 75,237.47 and 31,878.17

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Solution

The fourth proportional to 54,538.22, 75,237.47 and 31,878.17 is: 43,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,538.22 : 75,237.47 = 31,878.17 : x
  2. Step 2: Convert to fraction form
    54,538.22/75,237.47 = 31,878.17/x
  3. Step 3: Cross multiply
    54,538.22x = 75,237.47 × 31,878.17
  4. Step 4: Simplify right side
    54,538.22x = 2,398,432,323.45
  5. Step 5: Solve for x
    x = 2,398,432,323.45/54,538.22
  6. Step 6: Final answer
    x = 43,977.10

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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.