Home / 65,565.52-90,466.86-38,336.36

Finding the Fourth Proportional to 65,565.52, 90,466.86 and 38,336.36

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Solution

The fourth proportional to 65,565.52, 90,466.86 and 38,336.36 is: 52,896.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,565.52 : 90,466.86 = 38,336.36 : x
  2. Step 2: Convert to fraction form
    65,565.52/90,466.86 = 38,336.36/x
  3. Step 3: Cross multiply
    65,565.52x = 90,466.86 × 38,336.36
  4. Step 4: Simplify right side
    65,565.52x = 3,468,170,113.03
  5. Step 5: Solve for x
    x = 3,468,170,113.03/65,565.52
  6. Step 6: Final answer
    x = 52,896.25

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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.