Home / 40,947.98-61,421.93-11,365.80

Finding the Fourth Proportional to 40,947.98, 61,421.93 and 11,365.80

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Solution

The fourth proportional to 40,947.98, 61,421.93 and 11,365.80 is: 17,048.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,947.98 : 61,421.93 = 11,365.80 : x
  2. Step 2: Convert to fraction form
    40,947.98/61,421.93 = 11,365.80/x
  3. Step 3: Cross multiply
    40,947.98x = 61,421.93 × 11,365.80
  4. Step 4: Simplify right side
    40,947.98x = 698,109,127.45
  5. Step 5: Solve for x
    x = 698,109,127.45/40,947.98
  6. Step 6: Final answer
    x = 17,048.69

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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.