Home / 30,622.42-45,893.30-28,624.74

Finding the Fourth Proportional to 30,622.42, 45,893.30 and 28,624.74

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Solution

The fourth proportional to 30,622.42, 45,893.30 and 28,624.74 is: 42,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622.42 : 45,893.30 = 28,624.74 : x
  2. Step 2: Convert to fraction form
    30,622.42/45,893.30 = 28,624.74/x
  3. Step 3: Cross multiply
    30,622.42x = 45,893.30 × 28,624.74
  4. Step 4: Simplify right side
    30,622.42x = 1,313,683,884.18
  5. Step 5: Solve for x
    x = 1,313,683,884.18/30,622.42
  6. Step 6: Final answer
    x = 42,899.41

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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.