Home / 38,897.03-58,353.21-13,930.37

Finding the Fourth Proportional to 38,897.03, 58,353.21 and 13,930.37

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Solution

The fourth proportional to 38,897.03, 58,353.21 and 13,930.37 is: 20,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,897.03 : 58,353.21 = 13,930.37 : x
  2. Step 2: Convert to fraction form
    38,897.03/58,353.21 = 13,930.37/x
  3. Step 3: Cross multiply
    38,897.03x = 58,353.21 × 13,930.37
  4. Step 4: Simplify right side
    38,897.03x = 812,881,733.05
  5. Step 5: Solve for x
    x = 812,881,733.05/38,897.03
  6. Step 6: Final answer
    x = 20,898.30

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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.