Home / 30,652.57-42,304.46-18,713.35

Finding the Fourth Proportional to 30,652.57, 42,304.46 and 18,713.35

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Solution

The fourth proportional to 30,652.57, 42,304.46 and 18,713.35 is: 25,826.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,652.57 : 42,304.46 = 18,713.35 : x
  2. Step 2: Convert to fraction form
    30,652.57/42,304.46 = 18,713.35/x
  3. Step 3: Cross multiply
    30,652.57x = 42,304.46 × 18,713.35
  4. Step 4: Simplify right side
    30,652.57x = 791,658,166.54
  5. Step 5: Solve for x
    x = 791,658,166.54/30,652.57
  6. Step 6: Final answer
    x = 25,826.81

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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.