Home / 63,742.88-87,960.36-35,446.16

Finding the Fourth Proportional to 63,742.88, 87,960.36 and 35,446.16

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Solution

The fourth proportional to 63,742.88, 87,960.36 and 35,446.16 is: 48,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,742.88 : 87,960.36 = 35,446.16 : x
  2. Step 2: Convert to fraction form
    63,742.88/87,960.36 = 35,446.16/x
  3. Step 3: Cross multiply
    63,742.88x = 87,960.36 × 35,446.16
  4. Step 4: Simplify right side
    63,742.88x = 3,117,856,994.22
  5. Step 5: Solve for x
    x = 3,117,856,994.22/63,742.88
  6. Step 6: Final answer
    x = 48,913.02

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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.