Home / 30,126.44-45,159.66-14,303.72

Finding the Fourth Proportional to 30,126.44, 45,159.66 and 14,303.72

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Solution

The fourth proportional to 30,126.44, 45,159.66 and 14,303.72 is: 21,441.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126.44 : 45,159.66 = 14,303.72 : x
  2. Step 2: Convert to fraction form
    30,126.44/45,159.66 = 14,303.72/x
  3. Step 3: Cross multiply
    30,126.44x = 45,159.66 × 14,303.72
  4. Step 4: Simplify right side
    30,126.44x = 645,951,131.94
  5. Step 5: Solve for x
    x = 645,951,131.94/30,126.44
  6. Step 6: Final answer
    x = 21,441.34

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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.