Home / 43,219.91-64,834.73-13,628.99

Finding the Fourth Proportional to 43,219.91, 64,834.73 and 13,628.99

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Solution

The fourth proportional to 43,219.91, 64,834.73 and 13,628.99 is: 20,445.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,219.91 : 64,834.73 = 13,628.99 : x
  2. Step 2: Convert to fraction form
    43,219.91/64,834.73 = 13,628.99/x
  3. Step 3: Cross multiply
    43,219.91x = 64,834.73 × 13,628.99
  4. Step 4: Simplify right side
    43,219.91x = 883,631,886.82
  5. Step 5: Solve for x
    x = 883,631,886.82/43,219.91
  6. Step 6: Final answer
    x = 20,445.02

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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.