Home / 43,748.78-65,713.34-28,802.45

Finding the Fourth Proportional to 43,748.78, 65,713.34 and 28,802.45

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Solution

The fourth proportional to 43,748.78, 65,713.34 and 28,802.45 is: 43,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,748.78 : 65,713.34 = 28,802.45 : x
  2. Step 2: Convert to fraction form
    43,748.78/65,713.34 = 28,802.45/x
  3. Step 3: Cross multiply
    43,748.78x = 65,713.34 × 28,802.45
  4. Step 4: Simplify right side
    43,748.78x = 1,892,705,425.97
  5. Step 5: Solve for x
    x = 1,892,705,425.97/43,748.78
  6. Step 6: Final answer
    x = 43,263.05

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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.