Home / 31,213.96-43,075.32-17,066.80

Finding the Fourth Proportional to 31,213.96, 43,075.32 and 17,066.80

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Solution

The fourth proportional to 31,213.96, 43,075.32 and 17,066.80 is: 23,552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,213.96 : 43,075.32 = 17,066.80 : x
  2. Step 2: Convert to fraction form
    31,213.96/43,075.32 = 17,066.80/x
  3. Step 3: Cross multiply
    31,213.96x = 43,075.32 × 17,066.80
  4. Step 4: Simplify right side
    31,213.96x = 735,157,871.38
  5. Step 5: Solve for x
    x = 735,157,871.38/31,213.96
  6. Step 6: Final answer
    x = 23,552.21

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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.