Home / 57,157.85-78,870.36-32,959.71

Finding the Fourth Proportional to 57,157.85, 78,870.36 and 32,959.71

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Solution

The fourth proportional to 57,157.85, 78,870.36 and 32,959.71 is: 45,480.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,157.85 : 78,870.36 = 32,959.71 : x
  2. Step 2: Convert to fraction form
    57,157.85/78,870.36 = 32,959.71/x
  3. Step 3: Cross multiply
    57,157.85x = 78,870.36 × 32,959.71
  4. Step 4: Simplify right side
    57,157.85x = 2,599,544,131.40
  5. Step 5: Solve for x
    x = 2,599,544,131.40/57,157.85
  6. Step 6: Final answer
    x = 45,480.09

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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.