Home / 57,434.68-79,259.76-31,940.35

Finding the Fourth Proportional to 57,434.68, 79,259.76 and 31,940.35

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Solution

The fourth proportional to 57,434.68, 79,259.76 and 31,940.35 is: 44,077.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,434.68 : 79,259.76 = 31,940.35 : x
  2. Step 2: Convert to fraction form
    57,434.68/79,259.76 = 31,940.35/x
  3. Step 3: Cross multiply
    57,434.68x = 79,259.76 × 31,940.35
  4. Step 4: Simplify right side
    57,434.68x = 2,531,584,475.32
  5. Step 5: Solve for x
    x = 2,531,584,475.32/57,434.68
  6. Step 6: Final answer
    x = 44,077.63

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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.