Home / 40,090.12-60,069.51-21,350.26

Finding the Fourth Proportional to 40,090.12, 60,069.51 and 21,350.26

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Solution

The fourth proportional to 40,090.12, 60,069.51 and 21,350.26 is: 31,990.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090.12 : 60,069.51 = 21,350.26 : x
  2. Step 2: Convert to fraction form
    40,090.12/60,069.51 = 21,350.26/x
  3. Step 3: Cross multiply
    40,090.12x = 60,069.51 × 21,350.26
  4. Step 4: Simplify right side
    40,090.12x = 1,282,499,656.57
  5. Step 5: Solve for x
    x = 1,282,499,656.57/40,090.12
  6. Step 6: Final answer
    x = 31,990.42

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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.