Home / 40,410.34-55,746.97-31,396.15

Finding the Fourth Proportional to 40,410.34, 55,746.97 and 31,396.15

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Solution

The fourth proportional to 40,410.34, 55,746.97 and 31,396.15 is: 43,311.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,410.34 : 55,746.97 = 31,396.15 : x
  2. Step 2: Convert to fraction form
    40,410.34/55,746.97 = 31,396.15/x
  3. Step 3: Cross multiply
    40,410.34x = 55,746.97 × 31,396.15
  4. Step 4: Simplify right side
    40,410.34x = 1,750,240,232.17
  5. Step 5: Solve for x
    x = 1,750,240,232.17/40,410.34
  6. Step 6: Final answer
    x = 43,311.69

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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.