Home / 30,039.12-41,440.21-19,432.17

Finding the Fourth Proportional to 30,039.12, 41,440.21 and 19,432.17

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Solution

The fourth proportional to 30,039.12, 41,440.21 and 19,432.17 is: 26,807.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,039.12 : 41,440.21 = 19,432.17 : x
  2. Step 2: Convert to fraction form
    30,039.12/41,440.21 = 19,432.17/x
  3. Step 3: Cross multiply
    30,039.12x = 41,440.21 × 19,432.17
  4. Step 4: Simplify right side
    30,039.12x = 805,273,156.98
  5. Step 5: Solve for x
    x = 805,273,156.98/30,039.12
  6. Step 6: Final answer
    x = 26,807.48

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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.