Home / 30,519.77-45,783.74-28,674.47

Finding the Fourth Proportional to 30,519.77, 45,783.74 and 28,674.47

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Solution

The fourth proportional to 30,519.77, 45,783.74 and 28,674.47 is: 43,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,519.77 : 45,783.74 = 28,674.47 : x
  2. Step 2: Convert to fraction form
    30,519.77/45,783.74 = 28,674.47/x
  3. Step 3: Cross multiply
    30,519.77x = 45,783.74 × 28,674.47
  4. Step 4: Simplify right side
    30,519.77x = 1,312,824,665.26
  5. Step 5: Solve for x
    x = 1,312,824,665.26/30,519.77
  6. Step 6: Final answer
    x = 43,015.56

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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.