Home / 53,745.84-74,178.18-31,080.96

Finding the Fourth Proportional to 53,745.84, 74,178.18 and 31,080.96

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Solution

The fourth proportional to 53,745.84, 74,178.18 and 31,080.96 is: 42,896.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,745.84 : 74,178.18 = 31,080.96 : x
  2. Step 2: Convert to fraction form
    53,745.84/74,178.18 = 31,080.96/x
  3. Step 3: Cross multiply
    53,745.84x = 74,178.18 × 31,080.96
  4. Step 4: Simplify right side
    53,745.84x = 2,305,529,045.45
  5. Step 5: Solve for x
    x = 2,305,529,045.45/53,745.84
  6. Step 6: Final answer
    x = 42,896.88

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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.