Home / 31,693.41-43,727.04-21,084.84

Finding the Fourth Proportional to 31,693.41, 43,727.04 and 21,084.84

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Solution

The fourth proportional to 31,693.41, 43,727.04 and 21,084.84 is: 29,090.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,693.41 : 43,727.04 = 21,084.84 : x
  2. Step 2: Convert to fraction form
    31,693.41/43,727.04 = 21,084.84/x
  3. Step 3: Cross multiply
    31,693.41x = 43,727.04 × 21,084.84
  4. Step 4: Simplify right side
    31,693.41x = 921,977,642.07
  5. Step 5: Solve for x
    x = 921,977,642.07/31,693.41
  6. Step 6: Final answer
    x = 29,090.52

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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.