Home / 40,923.84-61,386.60-12,843.32

Finding the Fourth Proportional to 40,923.84, 61,386.60 and 12,843.32

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Solution

The fourth proportional to 40,923.84, 61,386.60 and 12,843.32 is: 19,265.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,923.84 : 61,386.60 = 12,843.32 : x
  2. Step 2: Convert to fraction form
    40,923.84/61,386.60 = 12,843.32/x
  3. Step 3: Cross multiply
    40,923.84x = 61,386.60 × 12,843.32
  4. Step 4: Simplify right side
    40,923.84x = 788,407,747.51
  5. Step 5: Solve for x
    x = 788,407,747.51/40,923.84
  6. Step 6: Final answer
    x = 19,265.24

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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.