Home / 57,253.10-79,009.75-31,761.14

Finding the Fourth Proportional to 57,253.10, 79,009.75 and 31,761.14

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Solution

The fourth proportional to 57,253.10, 79,009.75 and 31,761.14 is: 43,830.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,253.10 : 79,009.75 = 31,761.14 : x
  2. Step 2: Convert to fraction form
    57,253.10/79,009.75 = 31,761.14/x
  3. Step 3: Cross multiply
    57,253.10x = 79,009.75 × 31,761.14
  4. Step 4: Simplify right side
    57,253.10x = 2,509,439,415.47
  5. Step 5: Solve for x
    x = 2,509,439,415.47/57,253.10
  6. Step 6: Final answer
    x = 43,830.63

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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.