Home / 43,066.64-64,603.65-11,901.89

Finding the Fourth Proportional to 43,066.64, 64,603.65 and 11,901.89

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Solution

The fourth proportional to 43,066.64, 64,603.65 and 11,901.89 is: 17,853.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,066.64 : 64,603.65 = 11,901.89 : x
  2. Step 2: Convert to fraction form
    43,066.64/64,603.65 = 11,901.89/x
  3. Step 3: Cross multiply
    43,066.64x = 64,603.65 × 11,901.89
  4. Step 4: Simplify right side
    43,066.64x = 768,905,535.90
  5. Step 5: Solve for x
    x = 768,905,535.90/43,066.64
  6. Step 6: Final answer
    x = 17,853.85

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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.