Home / 34,528.56-47,648.93-19,421.21

Finding the Fourth Proportional to 34,528.56, 47,648.93 and 19,421.21

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Solution

The fourth proportional to 34,528.56, 47,648.93 and 19,421.21 is: 26,800.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,528.56 : 47,648.93 = 19,421.21 : x
  2. Step 2: Convert to fraction form
    34,528.56/47,648.93 = 19,421.21/x
  3. Step 3: Cross multiply
    34,528.56x = 47,648.93 × 19,421.21
  4. Step 4: Simplify right side
    34,528.56x = 925,399,540.45
  5. Step 5: Solve for x
    x = 925,399,540.45/34,528.56
  6. Step 6: Final answer
    x = 26,800.99

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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.