Home / 30,448.78-45,655.89-22,223.50

Finding the Fourth Proportional to 30,448.78, 45,655.89 and 22,223.50

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Solution

The fourth proportional to 30,448.78, 45,655.89 and 22,223.50 is: 33,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448.78 : 45,655.89 = 22,223.50 : x
  2. Step 2: Convert to fraction form
    30,448.78/45,655.89 = 22,223.50/x
  3. Step 3: Cross multiply
    30,448.78x = 45,655.89 × 22,223.50
  4. Step 4: Simplify right side
    30,448.78x = 1,014,633,671.42
  5. Step 5: Solve for x
    x = 1,014,633,671.42/30,448.78
  6. Step 6: Final answer
    x = 33,322.64

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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.