Home / 65,465.64-90,343.17-37,171.92

Finding the Fourth Proportional to 65,465.64, 90,343.17 and 37,171.92

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Solution

The fourth proportional to 65,465.64, 90,343.17 and 37,171.92 is: 51,297.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,465.64 : 90,343.17 = 37,171.92 : x
  2. Step 2: Convert to fraction form
    65,465.64/90,343.17 = 37,171.92/x
  3. Step 3: Cross multiply
    65,465.64x = 90,343.17 × 37,171.92
  4. Step 4: Simplify right side
    65,465.64x = 3,358,229,087.79
  5. Step 5: Solve for x
    x = 3,358,229,087.79/65,465.64
  6. Step 6: Final answer
    x = 51,297.58

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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.