Home / 29,190.51-40,280.63-16,443

Finding the Fourth Proportional to 29,190.51, 40,280.63 and 16,443

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Solution

The fourth proportional to 29,190.51, 40,280.63 and 16,443 is: 22,690.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,190.51 : 40,280.63 = 16,443 : x
  2. Step 2: Convert to fraction form
    29,190.51/40,280.63 = 16,443/x
  3. Step 3: Cross multiply
    29,190.51x = 40,280.63 × 16,443
  4. Step 4: Simplify right side
    29,190.51x = 662,334,316.88
  5. Step 5: Solve for x
    x = 662,334,316.88/29,190.51
  6. Step 6: Final answer
    x = 22,690.06

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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.