Home / 29,379.08-40,541.48-17,118.21

Finding the Fourth Proportional to 29,379.08, 40,541.48 and 17,118.21

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Solution

The fourth proportional to 29,379.08, 40,541.48 and 17,118.21 is: 23,622.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379.08 : 40,541.48 = 17,118.21 : x
  2. Step 2: Convert to fraction form
    29,379.08/40,541.48 = 17,118.21/x
  3. Step 3: Cross multiply
    29,379.08x = 40,541.48 × 17,118.21
  4. Step 4: Simplify right side
    29,379.08x = 693,997,482.76
  5. Step 5: Solve for x
    x = 693,997,482.76/29,379.08
  6. Step 6: Final answer
    x = 23,622.17

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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.