Home / 54,999.47-75,900.41-31,126.14

Finding the Fourth Proportional to 54,999.47, 75,900.41 and 31,126.14

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Solution

The fourth proportional to 54,999.47, 75,900.41 and 31,126.14 is: 42,954.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,999.47 : 75,900.41 = 31,126.14 : x
  2. Step 2: Convert to fraction form
    54,999.47/75,900.41 = 31,126.14/x
  3. Step 3: Cross multiply
    54,999.47x = 75,900.41 × 31,126.14
  4. Step 4: Simplify right side
    54,999.47x = 2,362,486,787.72
  5. Step 5: Solve for x
    x = 2,362,486,787.72/54,999.47
  6. Step 6: Final answer
    x = 42,954.72

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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.