Home / 34,157.40-47,141.72-19,627.28

Finding the Fourth Proportional to 34,157.40, 47,141.72 and 19,627.28

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Solution

The fourth proportional to 34,157.40, 47,141.72 and 19,627.28 is: 27,088.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,157.40 : 47,141.72 = 19,627.28 : x
  2. Step 2: Convert to fraction form
    34,157.40/47,141.72 = 19,627.28/x
  3. Step 3: Cross multiply
    34,157.40x = 47,141.72 × 19,627.28
  4. Step 4: Simplify right side
    34,157.40x = 925,263,738.12
  5. Step 5: Solve for x
    x = 925,263,738.12/34,157.40
  6. Step 6: Final answer
    x = 27,088.24

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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.