Home / 57,307.74-79,082.63-31,815.23

Finding the Fourth Proportional to 57,307.74, 79,082.63 and 31,815.23

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Solution

The fourth proportional to 57,307.74, 79,082.63 and 31,815.23 is: 43,903.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,307.74 : 79,082.63 = 31,815.23 : x
  2. Step 2: Convert to fraction form
    57,307.74/79,082.63 = 31,815.23/x
  3. Step 3: Cross multiply
    57,307.74x = 79,082.63 × 31,815.23
  4. Step 4: Simplify right side
    57,307.74x = 2,516,031,507.97
  5. Step 5: Solve for x
    x = 2,516,031,507.97/57,307.74
  6. Step 6: Final answer
    x = 43,903.87

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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.