Home / 53,705.40-80,508.60-28,762.62

Finding the Fourth Proportional to 53,705.40, 80,508.60 and 28,762.62

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Solution

The fourth proportional to 53,705.40, 80,508.60 and 28,762.62 is: 43,117.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,705.40 : 80,508.60 = 28,762.62 : x
  2. Step 2: Convert to fraction form
    53,705.40/80,508.60 = 28,762.62/x
  3. Step 3: Cross multiply
    53,705.40x = 80,508.60 × 28,762.62
  4. Step 4: Simplify right side
    53,705.40x = 2,315,638,268.53
  5. Step 5: Solve for x
    x = 2,315,638,268.53/53,705.40
  6. Step 6: Final answer
    x = 43,117.42

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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.