Home / 43,101.90-64,652.87-13,522.05

Finding the Fourth Proportional to 43,101.90, 64,652.87 and 13,522.05

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Solution

The fourth proportional to 43,101.90, 64,652.87 and 13,522.05 is: 20,283.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,101.90 : 64,652.87 = 13,522.05 : x
  2. Step 2: Convert to fraction form
    43,101.90/64,652.87 = 13,522.05/x
  3. Step 3: Cross multiply
    43,101.90x = 64,652.87 × 13,522.05
  4. Step 4: Simplify right side
    43,101.90x = 874,239,340.78
  5. Step 5: Solve for x
    x = 874,239,340.78/43,101.90
  6. Step 6: Final answer
    x = 20,283.08

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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.