Home / 57,357.08-79,153.76-31,865.76

Finding the Fourth Proportional to 57,357.08, 79,153.76 and 31,865.76

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Solution

The fourth proportional to 57,357.08, 79,153.76 and 31,865.76 is: 43,975.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,357.08 : 79,153.76 = 31,865.76 : x
  2. Step 2: Convert to fraction form
    57,357.08/79,153.76 = 31,865.76/x
  3. Step 3: Cross multiply
    57,357.08x = 79,153.76 × 31,865.76
  4. Step 4: Simplify right side
    57,357.08x = 2,522,294,719.26
  5. Step 5: Solve for x
    x = 2,522,294,719.26/57,357.08
  6. Step 6: Final answer
    x = 43,975.30

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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.