Home / 39,674.34-54,750.43-21,525.07

Finding the Fourth Proportional to 39,674.34, 54,750.43 and 21,525.07

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Solution

The fourth proportional to 39,674.34, 54,750.43 and 21,525.07 is: 29,704.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,674.34 : 54,750.43 = 21,525.07 : x
  2. Step 2: Convert to fraction form
    39,674.34/54,750.43 = 21,525.07/x
  3. Step 3: Cross multiply
    39,674.34x = 54,750.43 × 21,525.07
  4. Step 4: Simplify right side
    39,674.34x = 1,178,506,676.98
  5. Step 5: Solve for x
    x = 1,178,506,676.98/39,674.34
  6. Step 6: Final answer
    x = 29,704.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.