Home / 48,022.48-72,055.32-30,487.60

Finding the Fourth Proportional to 48,022.48, 72,055.32 and 30,487.60

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Solution

The fourth proportional to 48,022.48, 72,055.32 and 30,487.60 is: 45,745.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,022.48 : 72,055.32 = 30,487.60 : x
  2. Step 2: Convert to fraction form
    48,022.48/72,055.32 = 30,487.60/x
  3. Step 3: Cross multiply
    48,022.48x = 72,055.32 × 30,487.60
  4. Step 4: Simplify right side
    48,022.48x = 2,196,793,774.03
  5. Step 5: Solve for x
    x = 2,196,793,774.03/48,022.48
  6. Step 6: Final answer
    x = 45,745.11

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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.