Home / 43,260.84-64,897.74-13,669.20

Finding the Fourth Proportional to 43,260.84, 64,897.74 and 13,669.20

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Solution

The fourth proportional to 43,260.84, 64,897.74 and 13,669.20 is: 20,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,260.84 : 64,897.74 = 13,669.20 : x
  2. Step 2: Convert to fraction form
    43,260.84/64,897.74 = 13,669.20/x
  3. Step 3: Cross multiply
    43,260.84x = 64,897.74 × 13,669.20
  4. Step 4: Simplify right side
    43,260.84x = 887,100,187.61
  5. Step 5: Solve for x
    x = 887,100,187.61/43,260.84
  6. Step 6: Final answer
    x = 20,505.85

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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.