Home / 40,518.36-60,776.82-12,816.36

Finding the Fourth Proportional to 40,518.36, 60,776.82 and 12,816.36

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Solution

The fourth proportional to 40,518.36, 60,776.82 and 12,816.36 is: 19,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,518.36 : 60,776.82 = 12,816.36 : x
  2. Step 2: Convert to fraction form
    40,518.36/60,776.82 = 12,816.36/x
  3. Step 3: Cross multiply
    40,518.36x = 60,776.82 × 12,816.36
  4. Step 4: Simplify right side
    40,518.36x = 778,937,604.78
  5. Step 5: Solve for x
    x = 778,937,604.78/40,518.36
  6. Step 6: Final answer
    x = 19,224.31

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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.