Home / 43,258.65-64,899.51-13,677.04

Finding the Fourth Proportional to 43,258.65, 64,899.51 and 13,677.04

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Solution

The fourth proportional to 43,258.65, 64,899.51 and 13,677.04 is: 20,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,258.65 : 64,899.51 = 13,677.04 : x
  2. Step 2: Convert to fraction form
    43,258.65/64,899.51 = 13,677.04/x
  3. Step 3: Cross multiply
    43,258.65x = 64,899.51 × 13,677.04
  4. Step 4: Simplify right side
    43,258.65x = 887,633,194.25
  5. Step 5: Solve for x
    x = 887,633,194.25/43,258.65
  6. Step 6: Final answer
    x = 20,519.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.