Home / 65,714.91-90,686.66-35,500.23

Finding the Fourth Proportional to 65,714.91, 90,686.66 and 35,500.23

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Solution

The fourth proportional to 65,714.91, 90,686.66 and 35,500.23 is: 48,990.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,714.91 : 90,686.66 = 35,500.23 : x
  2. Step 2: Convert to fraction form
    65,714.91/90,686.66 = 35,500.23/x
  3. Step 3: Cross multiply
    65,714.91x = 90,686.66 × 35,500.23
  4. Step 4: Simplify right side
    65,714.91x = 3,219,397,110.43
  5. Step 5: Solve for x
    x = 3,219,397,110.43/65,714.91
  6. Step 6: Final answer
    x = 48,990.36

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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.