Home / 47,705.58-71,550.81-28,740.51

Finding the Fourth Proportional to 47,705.58, 71,550.81 and 28,740.51

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Solution

The fourth proportional to 47,705.58, 71,550.81 and 28,740.51 is: 43,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,705.58 : 71,550.81 = 28,740.51 : x
  2. Step 2: Convert to fraction form
    47,705.58/71,550.81 = 28,740.51/x
  3. Step 3: Cross multiply
    47,705.58x = 71,550.81 × 28,740.51
  4. Step 4: Simplify right side
    47,705.58x = 2,056,406,770.31
  5. Step 5: Solve for x
    x = 2,056,406,770.31/47,705.58
  6. Step 6: Final answer
    x = 43,106.21

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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.