Home / 43,068.73-64,603.09-13,488.88

Finding the Fourth Proportional to 43,068.73, 64,603.09 and 13,488.88

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Solution

The fourth proportional to 43,068.73, 64,603.09 and 13,488.88 is: 20,233.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,068.73 : 64,603.09 = 13,488.88 : x
  2. Step 2: Convert to fraction form
    43,068.73/64,603.09 = 13,488.88/x
  3. Step 3: Cross multiply
    43,068.73x = 64,603.09 × 13,488.88
  4. Step 4: Simplify right side
    43,068.73x = 871,423,343.06
  5. Step 5: Solve for x
    x = 871,423,343.06/43,068.73
  6. Step 6: Final answer
    x = 20,233.32

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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.