Home / 36,551.79-50,438.66-20,637.81

Finding the Fourth Proportional to 36,551.79, 50,438.66 and 20,637.81

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Solution

The fourth proportional to 36,551.79, 50,438.66 and 20,637.81 is: 28,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,551.79 : 50,438.66 = 20,637.81 : x
  2. Step 2: Convert to fraction form
    36,551.79/50,438.66 = 20,637.81/x
  3. Step 3: Cross multiply
    36,551.79x = 50,438.66 × 20,637.81
  4. Step 4: Simplify right side
    36,551.79x = 1,040,943,378.55
  5. Step 5: Solve for x
    x = 1,040,943,378.55/36,551.79
  6. Step 6: Final answer
    x = 28,478.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.