Home / 43,392.68-65,089.56-13,810.40

Finding the Fourth Proportional to 43,392.68, 65,089.56 and 13,810.40

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Solution

The fourth proportional to 43,392.68, 65,089.56 and 13,810.40 is: 20,715.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,392.68 : 65,089.56 = 13,810.40 : x
  2. Step 2: Convert to fraction form
    43,392.68/65,089.56 = 13,810.40/x
  3. Step 3: Cross multiply
    43,392.68x = 65,089.56 × 13,810.40
  4. Step 4: Simplify right side
    43,392.68x = 898,912,859.42
  5. Step 5: Solve for x
    x = 898,912,859.42/43,392.68
  6. Step 6: Final answer
    x = 20,715.77

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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.