Home / 39,890.12-55,048.58-22,893.01

Finding the Fourth Proportional to 39,890.12, 55,048.58 and 22,893.01

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Solution

The fourth proportional to 39,890.12, 55,048.58 and 22,893.01 is: 31,592.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,890.12 : 55,048.58 = 22,893.01 : x
  2. Step 2: Convert to fraction form
    39,890.12/55,048.58 = 22,893.01/x
  3. Step 3: Cross multiply
    39,890.12x = 55,048.58 × 22,893.01
  4. Step 4: Simplify right side
    39,890.12x = 1,260,227,692.43
  5. Step 5: Solve for x
    x = 1,260,227,692.43/39,890.12
  6. Step 6: Final answer
    x = 31,592.48

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1.5x scale

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.