Home / 65,476.12-90,358.32-37,181.92

Finding the Fourth Proportional to 65,476.12, 90,358.32 and 37,181.92

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Solution

The fourth proportional to 65,476.12, 90,358.32 and 37,181.92 is: 51,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,476.12 : 90,358.32 = 37,181.92 : x
  2. Step 2: Convert to fraction form
    65,476.12/90,358.32 = 37,181.92/x
  3. Step 3: Cross multiply
    65,476.12x = 90,358.32 × 37,181.92
  4. Step 4: Simplify right side
    65,476.12x = 3,359,695,825.57
  5. Step 5: Solve for x
    x = 3,359,695,825.57/65,476.12
  6. Step 6: Final answer
    x = 51,311.77

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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.