Home / 34,071.84-47,018.78-18,964.26

Finding the Fourth Proportional to 34,071.84, 47,018.78 and 18,964.26

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Solution

The fourth proportional to 34,071.84, 47,018.78 and 18,964.26 is: 26,170.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,071.84 : 47,018.78 = 18,964.26 : x
  2. Step 2: Convert to fraction form
    34,071.84/47,018.78 = 18,964.26/x
  3. Step 3: Cross multiply
    34,071.84x = 47,018.78 × 18,964.26
  4. Step 4: Simplify right side
    34,071.84x = 891,676,368.80
  5. Step 5: Solve for x
    x = 891,676,368.80/34,071.84
  6. Step 6: Final answer
    x = 26,170.48

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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.