Home / 40,955.40-61,424.70-11,365.80

Finding the Fourth Proportional to 40,955.40, 61,424.70 and 11,365.80

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Solution

The fourth proportional to 40,955.40, 61,424.70 and 11,365.80 is: 17,046.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,955.40 : 61,424.70 = 11,365.80 : x
  2. Step 2: Convert to fraction form
    40,955.40/61,424.70 = 11,365.80/x
  3. Step 3: Cross multiply
    40,955.40x = 61,424.70 × 11,365.80
  4. Step 4: Simplify right side
    40,955.40x = 698,140,855.26
  5. Step 5: Solve for x
    x = 698,140,855.26/40,955.40
  6. Step 6: Final answer
    x = 17,046.37

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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.