Home / 64,860.27-97,293.32-19,878.33

Finding the Fourth Proportional to 64,860.27, 97,293.32 and 19,878.33

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Solution

The fourth proportional to 64,860.27, 97,293.32 and 19,878.33 is: 29,818.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,860.27 : 97,293.32 = 19,878.33 : x
  2. Step 2: Convert to fraction form
    64,860.27/97,293.32 = 19,878.33/x
  3. Step 3: Cross multiply
    64,860.27x = 97,293.32 × 19,878.33
  4. Step 4: Simplify right side
    64,860.27x = 1,934,028,525.60
  5. Step 5: Solve for x
    x = 1,934,028,525.60/64,860.27
  6. Step 6: Final answer
    x = 29,818.39

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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.