Home / 43,108.79-64,665.92-13,527.80

Finding the Fourth Proportional to 43,108.79, 64,665.92 and 13,527.80

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Solution

The fourth proportional to 43,108.79, 64,665.92 and 13,527.80 is: 20,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,108.79 : 64,665.92 = 13,527.80 : x
  2. Step 2: Convert to fraction form
    43,108.79/64,665.92 = 13,527.80/x
  3. Step 3: Cross multiply
    43,108.79x = 64,665.92 × 13,527.80
  4. Step 4: Simplify right side
    43,108.79x = 874,787,334.61
  5. Step 5: Solve for x
    x = 874,787,334.61/43,108.79
  6. Step 6: Final answer
    x = 20,292.55

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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.