Home / 50,720.92-76,026.74-21,130.84

Finding the Fourth Proportional to 50,720.92, 76,026.74 and 21,130.84

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Solution

The fourth proportional to 50,720.92, 76,026.74 and 21,130.84 is: 31,673.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,720.92 : 76,026.74 = 21,130.84 : x
  2. Step 2: Convert to fraction form
    50,720.92/76,026.74 = 21,130.84/x
  3. Step 3: Cross multiply
    50,720.92x = 76,026.74 × 21,130.84
  4. Step 4: Simplify right side
    50,720.92x = 1,606,508,878.66
  5. Step 5: Solve for x
    x = 1,606,508,878.66/50,720.92
  6. Step 6: Final answer
    x = 31,673.50

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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.