Home / 65,557.14-90,467.34-40,063.40

Finding the Fourth Proportional to 65,557.14, 90,467.34 and 40,063.40

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Solution

The fourth proportional to 65,557.14, 90,467.34 and 40,063.40 is: 55,286.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,557.14 : 90,467.34 = 40,063.40 : x
  2. Step 2: Convert to fraction form
    65,557.14/90,467.34 = 40,063.40/x
  3. Step 3: Cross multiply
    65,557.14x = 90,467.34 × 40,063.40
  4. Step 4: Simplify right side
    65,557.14x = 3,624,429,229.36
  5. Step 5: Solve for x
    x = 3,624,429,229.36/65,557.14
  6. Step 6: Final answer
    x = 55,286.57

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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.