Home / 43,113.30-64,669.83-13,531.26

Finding the Fourth Proportional to 43,113.30, 64,669.83 and 13,531.26

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Solution

The fourth proportional to 43,113.30, 64,669.83 and 13,531.26 is: 20,296.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,113.30 : 64,669.83 = 13,531.26 : x
  2. Step 2: Convert to fraction form
    43,113.30/64,669.83 = 13,531.26/x
  3. Step 3: Cross multiply
    43,113.30x = 64,669.83 × 13,531.26
  4. Step 4: Simplify right side
    43,113.30x = 875,064,283.89
  5. Step 5: Solve for x
    x = 875,064,283.89/43,113.30
  6. Step 6: Final answer
    x = 20,296.85

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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.