Home / 50,378.51-75,565.01-15,315.43

Finding the Fourth Proportional to 50,378.51, 75,565.01 and 15,315.43

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Solution

The fourth proportional to 50,378.51, 75,565.01 and 15,315.43 is: 22,972.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,378.51 : 75,565.01 = 15,315.43 : x
  2. Step 2: Convert to fraction form
    50,378.51/75,565.01 = 15,315.43/x
  3. Step 3: Cross multiply
    50,378.51x = 75,565.01 × 15,315.43
  4. Step 4: Simplify right side
    50,378.51x = 1,157,310,470.48
  5. Step 5: Solve for x
    x = 1,157,310,470.48/50,378.51
  6. Step 6: Final answer
    x = 22,972.31

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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.