Home / 30,619.88-45,920.64-10,895.84

Finding the Fourth Proportional to 30,619.88, 45,920.64 and 10,895.84

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Solution

The fourth proportional to 30,619.88, 45,920.64 and 10,895.84 is: 16,340.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619.88 : 45,920.64 = 10,895.84 : x
  2. Step 2: Convert to fraction form
    30,619.88/45,920.64 = 10,895.84/x
  3. Step 3: Cross multiply
    30,619.88x = 45,920.64 × 10,895.84
  4. Step 4: Simplify right side
    30,619.88x = 500,343,946.14
  5. Step 5: Solve for x
    x = 500,343,946.14/30,619.88
  6. Step 6: Final answer
    x = 16,340.49

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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.