Home / 50,746.51-76,141.64-21,170.17

Finding the Fourth Proportional to 50,746.51, 76,141.64 and 21,170.17

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Solution

The fourth proportional to 50,746.51, 76,141.64 and 21,170.17 is: 31,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,746.51 : 76,141.64 = 21,170.17 : x
  2. Step 2: Convert to fraction form
    50,746.51/76,141.64 = 21,170.17/x
  3. Step 3: Cross multiply
    50,746.51x = 76,141.64 × 21,170.17
  4. Step 4: Simplify right side
    50,746.51x = 1,611,931,462.88
  5. Step 5: Solve for x
    x = 1,611,931,462.88/50,746.51
  6. Step 6: Final answer
    x = 31,764.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.