Home / 39,922.68-59,830.81-18,868.31

Finding the Fourth Proportional to 39,922.68, 59,830.81 and 18,868.31

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Solution

The fourth proportional to 39,922.68, 59,830.81 and 18,868.31 is: 28,277.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,922.68 : 59,830.81 = 18,868.31 : x
  2. Step 2: Convert to fraction form
    39,922.68/59,830.81 = 18,868.31/x
  3. Step 3: Cross multiply
    39,922.68x = 59,830.81 × 18,868.31
  4. Step 4: Simplify right side
    39,922.68x = 1,128,906,270.63
  5. Step 5: Solve for x
    x = 1,128,906,270.63/39,922.68
  6. Step 6: Final answer
    x = 28,277.32

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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.