Home / 30,069.93-45,110.43-12,541.26

Finding the Fourth Proportional to 30,069.93, 45,110.43 and 12,541.26

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Solution

The fourth proportional to 30,069.93, 45,110.43 and 12,541.26 is: 18,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,069.93 : 45,110.43 = 12,541.26 : x
  2. Step 2: Convert to fraction form
    30,069.93/45,110.43 = 12,541.26/x
  3. Step 3: Cross multiply
    30,069.93x = 45,110.43 × 12,541.26
  4. Step 4: Simplify right side
    30,069.93x = 565,741,631.34
  5. Step 5: Solve for x
    x = 565,741,631.34/30,069.93
  6. Step 6: Final answer
    x = 18,814.20

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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.