Home / 38,898.03-58,354.71-13,931.37

Finding the Fourth Proportional to 38,898.03, 58,354.71 and 13,931.37

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Solution

The fourth proportional to 38,898.03, 58,354.71 and 13,931.37 is: 20,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,898.03 : 58,354.71 = 13,931.37 : x
  2. Step 2: Convert to fraction form
    38,898.03/58,354.71 = 13,931.37/x
  3. Step 3: Cross multiply
    38,898.03x = 58,354.71 × 13,931.37
  4. Step 4: Simplify right side
    38,898.03x = 812,961,056.25
  5. Step 5: Solve for x
    x = 812,961,056.25/38,898.03
  6. Step 6: Final answer
    x = 20,899.80

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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.