Home / 29,722.80-41,012.28-16,970.16

Finding the Fourth Proportional to 29,722.80, 41,012.28 and 16,970.16

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Solution

The fourth proportional to 29,722.80, 41,012.28 and 16,970.16 is: 23,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,722.80 : 41,012.28 = 16,970.16 : x
  2. Step 2: Convert to fraction form
    29,722.80/41,012.28 = 16,970.16/x
  3. Step 3: Cross multiply
    29,722.80x = 41,012.28 × 16,970.16
  4. Step 4: Simplify right side
    29,722.80x = 695,984,953.56
  5. Step 5: Solve for x
    x = 695,984,953.56/29,722.80
  6. Step 6: Final answer
    x = 23,415.86

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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.