Home / 39,893.09-59,848.43-11,815.35

Finding the Fourth Proportional to 39,893.09, 59,848.43 and 11,815.35

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Solution

The fourth proportional to 39,893.09, 59,848.43 and 11,815.35 is: 17,725.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,893.09 : 59,848.43 = 11,815.35 : x
  2. Step 2: Convert to fraction form
    39,893.09/59,848.43 = 11,815.35/x
  3. Step 3: Cross multiply
    39,893.09x = 59,848.43 × 11,815.35
  4. Step 4: Simplify right side
    39,893.09x = 707,130,088.32
  5. Step 5: Solve for x
    x = 707,130,088.32/39,893.09
  6. Step 6: Final answer
    x = 17,725.63

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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.