Home / 31,361.64-43,280.22-17,214.36

Finding the Fourth Proportional to 31,361.64, 43,280.22 and 17,214.36

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Solution

The fourth proportional to 31,361.64, 43,280.22 and 17,214.36 is: 23,756.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,361.64 : 43,280.22 = 17,214.36 : x
  2. Step 2: Convert to fraction form
    31,361.64/43,280.22 = 17,214.36/x
  3. Step 3: Cross multiply
    31,361.64x = 43,280.22 × 17,214.36
  4. Step 4: Simplify right side
    31,361.64x = 745,041,287.96
  5. Step 5: Solve for x
    x = 745,041,287.96/31,361.64
  6. Step 6: Final answer
    x = 23,756.45

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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.