Home / 20,365.35-30,547.99-5,574.39

Finding the Fourth Proportional to 20,365.35, 30,547.99 and 5,574.39

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Solution

The fourth proportional to 20,365.35, 30,547.99 and 5,574.39 is: 8,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,365.35 : 30,547.99 = 5,574.39 : x
  2. Step 2: Convert to fraction form
    20,365.35/30,547.99 = 5,574.39/x
  3. Step 3: Cross multiply
    20,365.35x = 30,547.99 × 5,574.39
  4. Step 4: Simplify right side
    20,365.35x = 170,286,409.98
  5. Step 5: Solve for x
    x = 170,286,409.98/20,365.35
  6. Step 6: Final answer
    x = 8,361.58

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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.