Home / 34,310.16-47,348.28-19,406.16

Finding the Fourth Proportional to 34,310.16, 47,348.28 and 19,406.16

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Solution

The fourth proportional to 34,310.16, 47,348.28 and 19,406.16 is: 26,780.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,310.16 : 47,348.28 = 19,406.16 : x
  2. Step 2: Convert to fraction form
    34,310.16/47,348.28 = 19,406.16/x
  3. Step 3: Cross multiply
    34,310.16x = 47,348.28 × 19,406.16
  4. Step 4: Simplify right side
    34,310.16x = 918,848,297.40
  5. Step 5: Solve for x
    x = 918,848,297.40/34,310.16
  6. Step 6: Final answer
    x = 26,780.65

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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.