Home / 39,944.08-59,905.80-11,857.48

Finding the Fourth Proportional to 39,944.08, 59,905.80 and 11,857.48

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Solution

The fourth proportional to 39,944.08, 59,905.80 and 11,857.48 is: 17,783.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,944.08 : 59,905.80 = 11,857.48 : x
  2. Step 2: Convert to fraction form
    39,944.08/59,905.80 = 11,857.48/x
  3. Step 3: Cross multiply
    39,944.08x = 59,905.80 × 11,857.48
  4. Step 4: Simplify right side
    39,944.08x = 710,331,825.38
  5. Step 5: Solve for x
    x = 710,331,825.38/39,944.08
  6. Step 6: Final answer
    x = 17,783.16

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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.