Home / 39,684.41-54,765.37-22,690.20

Finding the Fourth Proportional to 39,684.41, 54,765.37 and 22,690.20

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Solution

The fourth proportional to 39,684.41, 54,765.37 and 22,690.20 is: 31,312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,684.41 : 54,765.37 = 22,690.20 : x
  2. Step 2: Convert to fraction form
    39,684.41/54,765.37 = 22,690.20/x
  3. Step 3: Cross multiply
    39,684.41x = 54,765.37 × 22,690.20
  4. Step 4: Simplify right side
    39,684.41x = 1,242,637,150.45
  5. Step 5: Solve for x
    x = 1,242,637,150.45/39,684.41
  6. Step 6: Final answer
    x = 31,312.98

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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.