Home / 31,464.84-43,421.60-17,318.18

Finding the Fourth Proportional to 31,464.84, 43,421.60 and 17,318.18

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Solution

The fourth proportional to 31,464.84, 43,421.60 and 17,318.18 is: 23,899.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,464.84 : 43,421.60 = 17,318.18 : x
  2. Step 2: Convert to fraction form
    31,464.84/43,421.60 = 17,318.18/x
  3. Step 3: Cross multiply
    31,464.84x = 43,421.60 × 17,318.18
  4. Step 4: Simplify right side
    31,464.84x = 751,983,084.69
  5. Step 5: Solve for x
    x = 751,983,084.69/31,464.84
  6. Step 6: Final answer
    x = 23,899.15

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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.