Home / 30,550.76-42,162.77-17,803.25

Finding the Fourth Proportional to 30,550.76, 42,162.77 and 17,803.25

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Solution

The fourth proportional to 30,550.76, 42,162.77 and 17,803.25 is: 24,570.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,550.76 : 42,162.77 = 17,803.25 : x
  2. Step 2: Convert to fraction form
    30,550.76/42,162.77 = 17,803.25/x
  3. Step 3: Cross multiply
    30,550.76x = 42,162.77 × 17,803.25
  4. Step 4: Simplify right side
    30,550.76x = 750,634,245.99
  5. Step 5: Solve for x
    x = 750,634,245.99/30,550.76
  6. Step 6: Final answer
    x = 24,570.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.