Home / 29,291.48-40,440.86-19,237.76

Finding the Fourth Proportional to 29,291.48, 40,440.86 and 19,237.76

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Solution

The fourth proportional to 29,291.48, 40,440.86 and 19,237.76 is: 26,560.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,291.48 : 40,440.86 = 19,237.76 : x
  2. Step 2: Convert to fraction form
    29,291.48/40,440.86 = 19,237.76/x
  3. Step 3: Cross multiply
    29,291.48x = 40,440.86 × 19,237.76
  4. Step 4: Simplify right side
    29,291.48x = 777,991,558.87
  5. Step 5: Solve for x
    x = 777,991,558.87/29,291.48
  6. Step 6: Final answer
    x = 26,560.34

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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.