Home / 43,396.68-65,095.56-13,814.40

Finding the Fourth Proportional to 43,396.68, 65,095.56 and 13,814.40

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Solution

The fourth proportional to 43,396.68, 65,095.56 and 13,814.40 is: 20,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,396.68 : 65,095.56 = 13,814.40 : x
  2. Step 2: Convert to fraction form
    43,396.68/65,095.56 = 13,814.40/x
  3. Step 3: Cross multiply
    43,396.68x = 65,095.56 × 13,814.40
  4. Step 4: Simplify right side
    43,396.68x = 899,256,104.06
  5. Step 5: Solve for x
    x = 899,256,104.06/43,396.68
  6. Step 6: Final answer
    x = 20,721.77

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1.5x scale

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.