Home / 40,072.80-60,113.22-13,774.08

Finding the Fourth Proportional to 40,072.80, 60,113.22 and 13,774.08

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Solution

The fourth proportional to 40,072.80, 60,113.22 and 13,774.08 is: 20,662.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,072.80 : 60,113.22 = 13,774.08 : x
  2. Step 2: Convert to fraction form
    40,072.80/60,113.22 = 13,774.08/x
  3. Step 3: Cross multiply
    40,072.80x = 60,113.22 × 13,774.08
  4. Step 4: Simplify right side
    40,072.80x = 828,004,301.34
  5. Step 5: Solve for x
    x = 828,004,301.34/40,072.80
  6. Step 6: Final answer
    x = 20,662.50

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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.