Home / 65,468.27-90,342.19-38,611.91

Finding the Fourth Proportional to 65,468.27, 90,342.19 and 38,611.91

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Solution

The fourth proportional to 65,468.27, 90,342.19 and 38,611.91 is: 53,282.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,468.27 : 90,342.19 = 38,611.91 : x
  2. Step 2: Convert to fraction form
    65,468.27/90,342.19 = 38,611.91/x
  3. Step 3: Cross multiply
    65,468.27x = 90,342.19 × 38,611.91
  4. Step 4: Simplify right side
    65,468.27x = 3,488,284,509.48
  5. Step 5: Solve for x
    x = 3,488,284,509.48/65,468.27
  6. Step 6: Final answer
    x = 53,282.06

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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.