Home / 37,748.81-52,093.21-20,521.32

Finding the Fourth Proportional to 37,748.81, 52,093.21 and 20,521.32

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Solution

The fourth proportional to 37,748.81, 52,093.21 and 20,521.32 is: 28,319.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,748.81 : 52,093.21 = 20,521.32 : x
  2. Step 2: Convert to fraction form
    37,748.81/52,093.21 = 20,521.32/x
  3. Step 3: Cross multiply
    37,748.81x = 52,093.21 × 20,521.32
  4. Step 4: Simplify right side
    37,748.81x = 1,069,021,432.24
  5. Step 5: Solve for x
    x = 1,069,021,432.24/37,748.81
  6. Step 6: Final answer
    x = 28,319.34

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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.