Home / 43,100.91-64,652.04-13,518.99

Finding the Fourth Proportional to 43,100.91, 64,652.04 and 13,518.99

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Solution

The fourth proportional to 43,100.91, 64,652.04 and 13,518.99 is: 20,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,100.91 : 64,652.04 = 13,518.99 : x
  2. Step 2: Convert to fraction form
    43,100.91/64,652.04 = 13,518.99/x
  3. Step 3: Cross multiply
    43,100.91x = 64,652.04 × 13,518.99
  4. Step 4: Simplify right side
    43,100.91x = 874,030,282.24
  5. Step 5: Solve for x
    x = 874,030,282.24/43,100.91
  6. Step 6: Final answer
    x = 20,278.70

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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.