Home / 40,953.60-61,430.37-11,371.42

Finding the Fourth Proportional to 40,953.60, 61,430.37 and 11,371.42

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Solution

The fourth proportional to 40,953.60, 61,430.37 and 11,371.42 is: 17,057.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,953.60 : 61,430.37 = 11,371.42 : x
  2. Step 2: Convert to fraction form
    40,953.60/61,430.37 = 11,371.42/x
  3. Step 3: Cross multiply
    40,953.60x = 61,430.37 × 11,371.42
  4. Step 4: Simplify right side
    40,953.60x = 698,550,572.17
  5. Step 5: Solve for x
    x = 698,550,572.17/40,953.60
  6. Step 6: Final answer
    x = 17,057.12

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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.