Home / 30,200.68-45,374.86-28,522.12

Finding the Fourth Proportional to 30,200.68, 45,374.86 and 28,522.12

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Solution

The fourth proportional to 30,200.68, 45,374.86 and 28,522.12 is: 42,852.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.68 : 45,374.86 = 28,522.12 : x
  2. Step 2: Convert to fraction form
    30,200.68/45,374.86 = 28,522.12/x
  3. Step 3: Cross multiply
    30,200.68x = 45,374.86 × 28,522.12
  4. Step 4: Simplify right side
    30,200.68x = 1,294,187,201.90
  5. Step 5: Solve for x
    x = 1,294,187,201.90/30,200.68
  6. Step 6: Final answer
    x = 42,852.92

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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.