Home / 50,080.45-75,130.70-18,490.71

Finding the Fourth Proportional to 50,080.45, 75,130.70 and 18,490.71

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Solution

The fourth proportional to 50,080.45, 75,130.70 and 18,490.71 is: 27,739.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,080.45 : 75,130.70 = 18,490.71 : x
  2. Step 2: Convert to fraction form
    50,080.45/75,130.70 = 18,490.71/x
  3. Step 3: Cross multiply
    50,080.45x = 75,130.70 × 18,490.71
  4. Step 4: Simplify right side
    50,080.45x = 1,389,219,985.80
  5. Step 5: Solve for x
    x = 1,389,219,985.80/50,080.45
  6. Step 6: Final answer
    x = 27,739.77

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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.