Home / 37,521.36-51,777.20-20,522.40

Finding the Fourth Proportional to 37,521.36, 51,777.20 and 20,522.40

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Solution

The fourth proportional to 37,521.36, 51,777.20 and 20,522.40 is: 28,319.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,521.36 : 51,777.20 = 20,522.40 : x
  2. Step 2: Convert to fraction form
    37,521.36/51,777.20 = 20,522.40/x
  3. Step 3: Cross multiply
    37,521.36x = 51,777.20 × 20,522.40
  4. Step 4: Simplify right side
    37,521.36x = 1,062,592,409.28
  5. Step 5: Solve for x
    x = 1,062,592,409.28/37,521.36
  6. Step 6: Final answer
    x = 28,319.67

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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.