Home / 40,378.52-55,730.40-23,385.56

Finding the Fourth Proportional to 40,378.52, 55,730.40 and 23,385.56

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Solution

The fourth proportional to 40,378.52, 55,730.40 and 23,385.56 is: 32,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,378.52 : 55,730.40 = 23,385.56 : x
  2. Step 2: Convert to fraction form
    40,378.52/55,730.40 = 23,385.56/x
  3. Step 3: Cross multiply
    40,378.52x = 55,730.40 × 23,385.56
  4. Step 4: Simplify right side
    40,378.52x = 1,303,286,613.02
  5. Step 5: Solve for x
    x = 1,303,286,613.02/40,378.52
  6. Step 6: Final answer
    x = 32,276.73

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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.