Home / 47,655.42-71,455.77-18,054.39

Finding the Fourth Proportional to 47,655.42, 71,455.77 and 18,054.39

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Solution

The fourth proportional to 47,655.42, 71,455.77 and 18,054.39 is: 27,071.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,655.42 : 71,455.77 = 18,054.39 : x
  2. Step 2: Convert to fraction form
    47,655.42/71,455.77 = 18,054.39/x
  3. Step 3: Cross multiply
    47,655.42x = 71,455.77 × 18,054.39
  4. Step 4: Simplify right side
    47,655.42x = 1,290,090,339.33
  5. Step 5: Solve for x
    x = 1,290,090,339.33/47,655.42
  6. Step 6: Final answer
    x = 27,071.22

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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.