Home / 42,868.44-64,300.68-11,703.60

Finding the Fourth Proportional to 42,868.44, 64,300.68 and 11,703.60

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Solution

The fourth proportional to 42,868.44, 64,300.68 and 11,703.60 is: 17,554.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,868.44 : 64,300.68 = 11,703.60 : x
  2. Step 2: Convert to fraction form
    42,868.44/64,300.68 = 11,703.60/x
  3. Step 3: Cross multiply
    42,868.44x = 64,300.68 × 11,703.60
  4. Step 4: Simplify right side
    42,868.44x = 752,549,438.45
  5. Step 5: Solve for x
    x = 752,549,438.45/42,868.44
  6. Step 6: Final answer
    x = 17,554.86

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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.