Home / 38,426.50-57,589.52-19,690.66

Finding the Fourth Proportional to 38,426.50, 57,589.52 and 19,690.66

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Solution

The fourth proportional to 38,426.50, 57,589.52 and 19,690.66 is: 29,510.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,426.50 : 57,589.52 = 19,690.66 : x
  2. Step 2: Convert to fraction form
    38,426.50/57,589.52 = 19,690.66/x
  3. Step 3: Cross multiply
    38,426.50x = 57,589.52 × 19,690.66
  4. Step 4: Simplify right side
    38,426.50x = 1,133,975,657.88
  5. Step 5: Solve for x
    x = 1,133,975,657.88/38,426.50
  6. Step 6: Final answer
    x = 29,510.25

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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.