Home / 39,228.02-54,160.73-30,137.19

Finding the Fourth Proportional to 39,228.02, 54,160.73 and 30,137.19

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Solution

The fourth proportional to 39,228.02, 54,160.73 and 30,137.19 is: 41,609.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,228.02 : 54,160.73 = 30,137.19 : x
  2. Step 2: Convert to fraction form
    39,228.02/54,160.73 = 30,137.19/x
  3. Step 3: Cross multiply
    39,228.02x = 54,160.73 × 30,137.19
  4. Step 4: Simplify right side
    39,228.02x = 1,632,252,210.55
  5. Step 5: Solve for x
    x = 1,632,252,210.55/39,228.02
  6. Step 6: Final answer
    x = 41,609.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.