Home / 30,182.74-45,318.54-16,881.79

Finding the Fourth Proportional to 30,182.74, 45,318.54 and 16,881.79

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Solution

The fourth proportional to 30,182.74, 45,318.54 and 16,881.79 is: 25,347.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,182.74 : 45,318.54 = 16,881.79 : x
  2. Step 2: Convert to fraction form
    30,182.74/45,318.54 = 16,881.79/x
  3. Step 3: Cross multiply
    30,182.74x = 45,318.54 × 16,881.79
  4. Step 4: Simplify right side
    30,182.74x = 765,058,075.39
  5. Step 5: Solve for x
    x = 765,058,075.39/30,182.74
  6. Step 6: Final answer
    x = 25,347.54

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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.