Home / 31,509.09-43,482.26-17,361.83

Finding the Fourth Proportional to 31,509.09, 43,482.26 and 17,361.83

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Solution

The fourth proportional to 31,509.09, 43,482.26 and 17,361.83 is: 23,959.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,509.09 : 43,482.26 = 17,361.83 : x
  2. Step 2: Convert to fraction form
    31,509.09/43,482.26 = 17,361.83/x
  3. Step 3: Cross multiply
    31,509.09x = 43,482.26 × 17,361.83
  4. Step 4: Simplify right side
    31,509.09x = 754,931,388.72
  5. Step 5: Solve for x
    x = 754,931,388.72/31,509.09
  6. Step 6: Final answer
    x = 23,959.17

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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.