Home / 39,886.21-59,808.14-11,802.39

Finding the Fourth Proportional to 39,886.21, 59,808.14 and 11,802.39

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Solution

The fourth proportional to 39,886.21, 59,808.14 and 11,802.39 is: 17,697.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,886.21 : 59,808.14 = 11,802.39 : x
  2. Step 2: Convert to fraction form
    39,886.21/59,808.14 = 11,802.39/x
  3. Step 3: Cross multiply
    39,886.21x = 59,808.14 × 11,802.39
  4. Step 4: Simplify right side
    39,886.21x = 705,879,090.84
  5. Step 5: Solve for x
    x = 705,879,090.84/39,886.21
  6. Step 6: Final answer
    x = 17,697.32

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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.