Home / 44,285.32-66,430.86-20,934.28

Finding the Fourth Proportional to 44,285.32, 66,430.86 and 20,934.28

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Solution

The fourth proportional to 44,285.32, 66,430.86 and 20,934.28 is: 31,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,285.32 : 66,430.86 = 20,934.28 : x
  2. Step 2: Convert to fraction form
    44,285.32/66,430.86 = 20,934.28/x
  3. Step 3: Cross multiply
    44,285.32x = 66,430.86 × 20,934.28
  4. Step 4: Simplify right side
    44,285.32x = 1,390,682,223.88
  5. Step 5: Solve for x
    x = 1,390,682,223.88/44,285.32
  6. Step 6: Final answer
    x = 31,402.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.