Home / 40,090.62-60,070.26-21,350.76

Finding the Fourth Proportional to 40,090.62, 60,070.26 and 21,350.76

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Solution

The fourth proportional to 40,090.62, 60,070.26 and 21,350.76 is: 31,991.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090.62 : 60,070.26 = 21,350.76 : x
  2. Step 2: Convert to fraction form
    40,090.62/60,070.26 = 21,350.76/x
  3. Step 3: Cross multiply
    40,090.62x = 60,070.26 × 21,350.76
  4. Step 4: Simplify right side
    40,090.62x = 1,282,545,704.40
  5. Step 5: Solve for x
    x = 1,282,545,704.40/40,090.62
  6. Step 6: Final answer
    x = 31,991.17

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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.