Home / 30,544.07-45,814.39-8,355.81

Finding the Fourth Proportional to 30,544.07, 45,814.39 and 8,355.81

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Solution

The fourth proportional to 30,544.07, 45,814.39 and 8,355.81 is: 12,533.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,544.07 : 45,814.39 = 8,355.81 : x
  2. Step 2: Convert to fraction form
    30,544.07/45,814.39 = 8,355.81/x
  3. Step 3: Cross multiply
    30,544.07x = 45,814.39 × 8,355.81
  4. Step 4: Simplify right side
    30,544.07x = 382,816,536.02
  5. Step 5: Solve for x
    x = 382,816,536.02/30,544.07
  6. Step 6: Final answer
    x = 12,533.25

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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.