Home / 39,643.70-54,710.84-26,191.36

Finding the Fourth Proportional to 39,643.70, 54,710.84 and 26,191.36

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Solution

The fourth proportional to 39,643.70, 54,710.84 and 26,191.36 is: 36,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,643.70 : 54,710.84 = 26,191.36 : x
  2. Step 2: Convert to fraction form
    39,643.70/54,710.84 = 26,191.36/x
  3. Step 3: Cross multiply
    39,643.70x = 54,710.84 × 26,191.36
  4. Step 4: Simplify right side
    39,643.70x = 1,432,950,901.83
  5. Step 5: Solve for x
    x = 1,432,950,901.83/39,643.70
  6. Step 6: Final answer
    x = 36,145.74

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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.