Home / 29,718.70-40,965.85-22,153.50

Finding the Fourth Proportional to 29,718.70, 40,965.85 and 22,153.50

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Solution

The fourth proportional to 29,718.70, 40,965.85 and 22,153.50 is: 30,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,718.70 : 40,965.85 = 22,153.50 : x
  2. Step 2: Convert to fraction form
    29,718.70/40,965.85 = 22,153.50/x
  3. Step 3: Cross multiply
    29,718.70x = 40,965.85 × 22,153.50
  4. Step 4: Simplify right side
    29,718.70x = 907,536,985.67
  5. Step 5: Solve for x
    x = 907,536,985.67/29,718.70
  6. Step 6: Final answer
    x = 30,537.58

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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.