Home / 35,395.55-48,840.26-20,285.30

Finding the Fourth Proportional to 35,395.55, 48,840.26 and 20,285.30

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Solution

The fourth proportional to 35,395.55, 48,840.26 and 20,285.30 is: 27,990.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,395.55 : 48,840.26 = 20,285.30 : x
  2. Step 2: Convert to fraction form
    35,395.55/48,840.26 = 20,285.30/x
  3. Step 3: Cross multiply
    35,395.55x = 48,840.26 × 20,285.30
  4. Step 4: Simplify right side
    35,395.55x = 990,738,980.55
  5. Step 5: Solve for x
    x = 990,738,980.55/35,395.55
  6. Step 6: Final answer
    x = 27,990.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.