Home / 52,203.08-72,074.94-30,989.16

Finding the Fourth Proportional to 52,203.08, 72,074.94 and 30,989.16

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Solution

The fourth proportional to 52,203.08, 72,074.94 and 30,989.16 is: 42,785.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,203.08 : 72,074.94 = 30,989.16 : x
  2. Step 2: Convert to fraction form
    52,203.08/72,074.94 = 30,989.16/x
  3. Step 3: Cross multiply
    52,203.08x = 72,074.94 × 30,989.16
  4. Step 4: Simplify right side
    52,203.08x = 2,233,541,847.65
  5. Step 5: Solve for x
    x = 2,233,541,847.65/52,203.08
  6. Step 6: Final answer
    x = 42,785.63

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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.