Home / 29,515.49-40,728.53-16,937.81

Finding the Fourth Proportional to 29,515.49, 40,728.53 and 16,937.81

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Solution

The fourth proportional to 29,515.49, 40,728.53 and 16,937.81 is: 23,372.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,515.49 : 40,728.53 = 16,937.81 : x
  2. Step 2: Convert to fraction form
    29,515.49/40,728.53 = 16,937.81/x
  3. Step 3: Cross multiply
    29,515.49x = 40,728.53 × 16,937.81
  4. Step 4: Simplify right side
    29,515.49x = 689,852,018.03
  5. Step 5: Solve for x
    x = 689,852,018.03/29,515.49
  6. Step 6: Final answer
    x = 23,372.54

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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.