Home / 29,259.54-40,379.19-16,515.81

Finding the Fourth Proportional to 29,259.54, 40,379.19 and 16,515.81

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Solution

The fourth proportional to 29,259.54, 40,379.19 and 16,515.81 is: 22,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,259.54 : 40,379.19 = 16,515.81 : x
  2. Step 2: Convert to fraction form
    29,259.54/40,379.19 = 16,515.81/x
  3. Step 3: Cross multiply
    29,259.54x = 40,379.19 × 16,515.81
  4. Step 4: Simplify right side
    29,259.54x = 666,895,060.96
  5. Step 5: Solve for x
    x = 666,895,060.96/29,259.54
  6. Step 6: Final answer
    x = 22,792.40

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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.