Home / 30,418.86-45,597.78-12,625.32

Finding the Fourth Proportional to 30,418.86, 45,597.78 and 12,625.32

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Solution

The fourth proportional to 30,418.86, 45,597.78 and 12,625.32 is: 18,925.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,418.86 : 45,597.78 = 12,625.32 : x
  2. Step 2: Convert to fraction form
    30,418.86/45,597.78 = 12,625.32/x
  3. Step 3: Cross multiply
    30,418.86x = 45,597.78 × 12,625.32
  4. Step 4: Simplify right side
    30,418.86x = 575,686,563.79
  5. Step 5: Solve for x
    x = 575,686,563.79/30,418.86
  6. Step 6: Final answer
    x = 18,925.32

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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.