Home / 30,073.19-45,074.41-12,292.88

Finding the Fourth Proportional to 30,073.19, 45,074.41 and 12,292.88

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Solution

The fourth proportional to 30,073.19, 45,074.41 and 12,292.88 is: 18,424.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,073.19 : 45,074.41 = 12,292.88 : x
  2. Step 2: Convert to fraction form
    30,073.19/45,074.41 = 12,292.88/x
  3. Step 3: Cross multiply
    30,073.19x = 45,074.41 × 12,292.88
  4. Step 4: Simplify right side
    30,073.19x = 554,094,313.20
  5. Step 5: Solve for x
    x = 554,094,313.20/30,073.19
  6. Step 6: Final answer
    x = 18,424.86

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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.