Home / 57,028.52-78,700.14-34,391.12

Finding the Fourth Proportional to 57,028.52, 78,700.14 and 34,391.12

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Solution

The fourth proportional to 57,028.52, 78,700.14 and 34,391.12 is: 47,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,028.52 : 78,700.14 = 34,391.12 : x
  2. Step 2: Convert to fraction form
    57,028.52/78,700.14 = 34,391.12/x
  3. Step 3: Cross multiply
    57,028.52x = 78,700.14 × 34,391.12
  4. Step 4: Simplify right side
    57,028.52x = 2,706,585,958.76
  5. Step 5: Solve for x
    x = 2,706,585,958.76/57,028.52
  6. Step 6: Final answer
    x = 47,460.22

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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.