Home / 39,174.01-58,768.30-12,897.20

Finding the Fourth Proportional to 39,174.01, 58,768.30 and 12,897.20

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Solution

The fourth proportional to 39,174.01, 58,768.30 and 12,897.20 is: 19,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,174.01 : 58,768.30 = 12,897.20 : x
  2. Step 2: Convert to fraction form
    39,174.01/58,768.30 = 12,897.20/x
  3. Step 3: Cross multiply
    39,174.01x = 58,768.30 × 12,897.20
  4. Step 4: Simplify right side
    39,174.01x = 757,946,681.80
  5. Step 5: Solve for x
    x = 757,946,681.80/39,174.01
  6. Step 6: Final answer
    x = 19,348.20

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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.