Home / 39,402.09-59,094.09-11,321.91

Finding the Fourth Proportional to 39,402.09, 59,094.09 and 11,321.91

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Solution

The fourth proportional to 39,402.09, 59,094.09 and 11,321.91 is: 16,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,402.09 : 59,094.09 = 11,321.91 : x
  2. Step 2: Convert to fraction form
    39,402.09/59,094.09 = 11,321.91/x
  3. Step 3: Cross multiply
    39,402.09x = 59,094.09 × 11,321.91
  4. Step 4: Simplify right side
    39,402.09x = 669,057,968.51
  5. Step 5: Solve for x
    x = 669,057,968.51/39,402.09
  6. Step 6: Final answer
    x = 16,980.27

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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.