Home / 29,179.17-40,264.83-16,428.29

Finding the Fourth Proportional to 29,179.17, 40,264.83 and 16,428.29

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Solution

The fourth proportional to 29,179.17, 40,264.83 and 16,428.29 is: 22,669.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,179.17 : 40,264.83 = 16,428.29 : x
  2. Step 2: Convert to fraction form
    29,179.17/40,264.83 = 16,428.29/x
  3. Step 3: Cross multiply
    29,179.17x = 40,264.83 × 16,428.29
  4. Step 4: Simplify right side
    29,179.17x = 661,482,102.72
  5. Step 5: Solve for x
    x = 661,482,102.72/29,179.17
  6. Step 6: Final answer
    x = 22,669.67

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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.