Home / 57,276.23-79,041.65-31,782.70

Finding the Fourth Proportional to 57,276.23, 79,041.65 and 31,782.70

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Solution

The fourth proportional to 57,276.23, 79,041.65 and 31,782.70 is: 43,860.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,276.23 : 79,041.65 = 31,782.70 : x
  2. Step 2: Convert to fraction form
    57,276.23/79,041.65 = 31,782.70/x
  3. Step 3: Cross multiply
    57,276.23x = 79,041.65 × 31,782.70
  4. Step 4: Simplify right side
    57,276.23x = 2,512,156,495.33
  5. Step 5: Solve for x
    x = 2,512,156,495.33/57,276.23
  6. Step 6: Final answer
    x = 43,860.37

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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.