Home / 39,218.84-58,780.07-18,130.36

Finding the Fourth Proportional to 39,218.84, 58,780.07 and 18,130.36

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Solution

The fourth proportional to 39,218.84, 58,780.07 and 18,130.36 is: 27,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,218.84 : 58,780.07 = 18,130.36 : x
  2. Step 2: Convert to fraction form
    39,218.84/58,780.07 = 18,130.36/x
  3. Step 3: Cross multiply
    39,218.84x = 58,780.07 × 18,130.36
  4. Step 4: Simplify right side
    39,218.84x = 1,065,703,445.37
  5. Step 5: Solve for x
    x = 1,065,703,445.37/39,218.84
  6. Step 6: Final answer
    x = 27,173.25

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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.