Home / 45,303.15-67,945.01-14,121.39

Finding the Fourth Proportional to 45,303.15, 67,945.01 and 14,121.39

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Solution

The fourth proportional to 45,303.15, 67,945.01 and 14,121.39 is: 21,179.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,303.15 : 67,945.01 = 14,121.39 : x
  2. Step 2: Convert to fraction form
    45,303.15/67,945.01 = 14,121.39/x
  3. Step 3: Cross multiply
    45,303.15x = 67,945.01 × 14,121.39
  4. Step 4: Simplify right side
    45,303.15x = 959,477,914.16
  5. Step 5: Solve for x
    x = 959,477,914.16/45,303.15
  6. Step 6: Final answer
    x = 21,179.06

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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.