Home / 36,603.40-50,512.26-20,688.52

Finding the Fourth Proportional to 36,603.40, 50,512.26 and 20,688.52

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Solution

The fourth proportional to 36,603.40, 50,512.26 and 20,688.52 is: 28,549.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,603.40 : 50,512.26 = 20,688.52 : x
  2. Step 2: Convert to fraction form
    36,603.40/50,512.26 = 20,688.52/x
  3. Step 3: Cross multiply
    36,603.40x = 50,512.26 × 20,688.52
  4. Step 4: Simplify right side
    36,603.40x = 1,045,023,901.26
  5. Step 5: Solve for x
    x = 1,045,023,901.26/36,603.40
  6. Step 6: Final answer
    x = 28,549.91

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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.