Home / 34,068.49-47,013.55-18,960.91

Finding the Fourth Proportional to 34,068.49, 47,013.55 and 18,960.91

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Solution

The fourth proportional to 34,068.49, 47,013.55 and 18,960.91 is: 26,165.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,068.49 : 47,013.55 = 18,960.91 : x
  2. Step 2: Convert to fraction form
    34,068.49/47,013.55 = 18,960.91/x
  3. Step 3: Cross multiply
    34,068.49x = 47,013.55 × 18,960.91
  4. Step 4: Simplify right side
    34,068.49x = 891,419,690.33
  5. Step 5: Solve for x
    x = 891,419,690.33/34,068.49
  6. Step 6: Final answer
    x = 26,165.52

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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.