Home / 39,433.12-54,411.84-22,662.88

Finding the Fourth Proportional to 39,433.12, 54,411.84 and 22,662.88

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Solution

The fourth proportional to 39,433.12, 54,411.84 and 22,662.88 is: 31,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,433.12 : 54,411.84 = 22,662.88 : x
  2. Step 2: Convert to fraction form
    39,433.12/54,411.84 = 22,662.88/x
  3. Step 3: Cross multiply
    39,433.12x = 54,411.84 × 22,662.88
  4. Step 4: Simplify right side
    39,433.12x = 1,233,129,000.50
  5. Step 5: Solve for x
    x = 1,233,129,000.50/39,433.12
  6. Step 6: Final answer
    x = 31,271.40

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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.