Home / 29,689.83-40,971.96-16,261.56

Finding the Fourth Proportional to 29,689.83, 40,971.96 and 16,261.56

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Solution

The fourth proportional to 29,689.83, 40,971.96 and 16,261.56 is: 22,440.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,689.83 : 40,971.96 = 16,261.56 : x
  2. Step 2: Convert to fraction form
    29,689.83/40,971.96 = 16,261.56/x
  3. Step 3: Cross multiply
    29,689.83x = 40,971.96 × 16,261.56
  4. Step 4: Simplify right side
    29,689.83x = 666,267,985.86
  5. Step 5: Solve for x
    x = 666,267,985.86/29,689.83
  6. Step 6: Final answer
    x = 22,440.95

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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.