Home / 31,457.84-43,412.40-17,310.65

Finding the Fourth Proportional to 31,457.84, 43,412.40 and 17,310.65

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Solution

The fourth proportional to 31,457.84, 43,412.40 and 17,310.65 is: 23,889.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,457.84 : 43,412.40 = 17,310.65 : x
  2. Step 2: Convert to fraction form
    31,457.84/43,412.40 = 17,310.65/x
  3. Step 3: Cross multiply
    31,457.84x = 43,412.40 × 17,310.65
  4. Step 4: Simplify right side
    31,457.84x = 751,496,645.00
  5. Step 5: Solve for x
    x = 751,496,645.00/31,457.84
  6. Step 6: Final answer
    x = 23,889.01

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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.