Home / 51,190.38-70,644.15-29,970.54

Finding the Fourth Proportional to 51,190.38, 70,644.15 and 29,970.54

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Solution

The fourth proportional to 51,190.38, 70,644.15 and 29,970.54 is: 41,360.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,190.38 : 70,644.15 = 29,970.54 : x
  2. Step 2: Convert to fraction form
    51,190.38/70,644.15 = 29,970.54/x
  3. Step 3: Cross multiply
    51,190.38x = 70,644.15 × 29,970.54
  4. Step 4: Simplify right side
    51,190.38x = 2,117,243,323.34
  5. Step 5: Solve for x
    x = 2,117,243,323.34/51,190.38
  6. Step 6: Final answer
    x = 41,360.18

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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.