Home / 39,045.44-58,578.53-20,319.94

Finding the Fourth Proportional to 39,045.44, 58,578.53 and 20,319.94

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Solution

The fourth proportional to 39,045.44, 58,578.53 and 20,319.94 is: 30,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,045.44 : 58,578.53 = 20,319.94 : x
  2. Step 2: Convert to fraction form
    39,045.44/58,578.53 = 20,319.94/x
  3. Step 3: Cross multiply
    39,045.44x = 58,578.53 × 20,319.94
  4. Step 4: Simplify right side
    39,045.44x = 1,190,311,820.40
  5. Step 5: Solve for x
    x = 1,190,311,820.40/39,045.44
  6. Step 6: Final answer
    x = 30,485.30

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1.5x scale

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.