Home / 38,701.60-58,068.84-21,150.93

Finding the Fourth Proportional to 38,701.60, 58,068.84 and 21,150.93

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Solution

The fourth proportional to 38,701.60, 58,068.84 and 21,150.93 is: 31,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,701.60 : 58,068.84 = 21,150.93 : x
  2. Step 2: Convert to fraction form
    38,701.60/58,068.84 = 21,150.93/x
  3. Step 3: Cross multiply
    38,701.60x = 58,068.84 × 21,150.93
  4. Step 4: Simplify right side
    38,701.60x = 1,228,209,752.26
  5. Step 5: Solve for x
    x = 1,228,209,752.26/38,701.60
  6. Step 6: Final answer
    x = 31,735.37

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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.