Home / 34,420.84-47,492.66-20,072.07

Finding the Fourth Proportional to 34,420.84, 47,492.66 and 20,072.07

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Solution

The fourth proportional to 34,420.84, 47,492.66 and 20,072.07 is: 27,694.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,420.84 : 47,492.66 = 20,072.07 : x
  2. Step 2: Convert to fraction form
    34,420.84/47,492.66 = 20,072.07/x
  3. Step 3: Cross multiply
    34,420.84x = 47,492.66 × 20,072.07
  4. Step 4: Simplify right side
    34,420.84x = 953,276,046.19
  5. Step 5: Solve for x
    x = 953,276,046.19/34,420.84
  6. Step 6: Final answer
    x = 27,694.74

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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.