Home / 40,391.52-55,704-25,285.55

Finding the Fourth Proportional to 40,391.52, 55,704 and 25,285.55

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Solution

The fourth proportional to 40,391.52, 55,704 and 25,285.55 is: 34,871.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,391.52 : 55,704 = 25,285.55 : x
  2. Step 2: Convert to fraction form
    40,391.52/55,704 = 25,285.55/x
  3. Step 3: Cross multiply
    40,391.52x = 55,704 × 25,285.55
  4. Step 4: Simplify right side
    40,391.52x = 1,408,506,277.20
  5. Step 5: Solve for x
    x = 1,408,506,277.20/40,391.52
  6. Step 6: Final answer
    x = 34,871.34

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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.