Home / 39,255.40-58,889.68-18,186.84

Finding the Fourth Proportional to 39,255.40, 58,889.68 and 18,186.84

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Solution

The fourth proportional to 39,255.40, 58,889.68 and 18,186.84 is: 27,283.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,255.40 : 58,889.68 = 18,186.84 : x
  2. Step 2: Convert to fraction form
    39,255.40/58,889.68 = 18,186.84/x
  3. Step 3: Cross multiply
    39,255.40x = 58,889.68 × 18,186.84
  4. Step 4: Simplify right side
    39,255.40x = 1,071,017,142.34
  5. Step 5: Solve for x
    x = 1,071,017,142.34/39,255.40
  6. Step 6: Final answer
    x = 27,283.31

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1.5x scale

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.