Home / 39,111.84-58,676.40-18,324

Finding the Fourth Proportional to 39,111.84, 58,676.40 and 18,324

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Solution

The fourth proportional to 39,111.84, 58,676.40 and 18,324 is: 27,490.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,111.84 : 58,676.40 = 18,324 : x
  2. Step 2: Convert to fraction form
    39,111.84/58,676.40 = 18,324/x
  3. Step 3: Cross multiply
    39,111.84x = 58,676.40 × 18,324
  4. Step 4: Simplify right side
    39,111.84x = 1,075,186,353.60
  5. Step 5: Solve for x
    x = 1,075,186,353.60/39,111.84
  6. Step 6: Final answer
    x = 27,490.05

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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.