Home / 30,989.50-46,652.87-28,233.88

Finding the Fourth Proportional to 30,989.50, 46,652.87 and 28,233.88

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Solution

The fourth proportional to 30,989.50, 46,652.87 and 28,233.88 is: 42,504.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,989.50 : 46,652.87 = 28,233.88 : x
  2. Step 2: Convert to fraction form
    30,989.50/46,652.87 = 28,233.88/x
  3. Step 3: Cross multiply
    30,989.50x = 46,652.87 × 28,233.88
  4. Step 4: Simplify right side
    30,989.50x = 1,317,191,533.24
  5. Step 5: Solve for x
    x = 1,317,191,533.24/30,989.50
  6. Step 6: Final answer
    x = 42,504.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.