Home / 50,820.99-70,131.06-29,311.63

Finding the Fourth Proportional to 50,820.99, 70,131.06 and 29,311.63

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Solution

The fourth proportional to 50,820.99, 70,131.06 and 29,311.63 is: 40,448.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,820.99 : 70,131.06 = 29,311.63 : x
  2. Step 2: Convert to fraction form
    50,820.99/70,131.06 = 29,311.63/x
  3. Step 3: Cross multiply
    50,820.99x = 70,131.06 × 29,311.63
  4. Step 4: Simplify right side
    50,820.99x = 2,055,655,682.23
  5. Step 5: Solve for x
    x = 2,055,655,682.23/50,820.99
  6. Step 6: Final answer
    x = 40,448.95

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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.