Home / 30,803.37-42,505.08-17,374.85

Finding the Fourth Proportional to 30,803.37, 42,505.08 and 17,374.85

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Solution

The fourth proportional to 30,803.37, 42,505.08 and 17,374.85 is: 23,975.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,803.37 : 42,505.08 = 17,374.85 : x
  2. Step 2: Convert to fraction form
    30,803.37/42,505.08 = 17,374.85/x
  3. Step 3: Cross multiply
    30,803.37x = 42,505.08 × 17,374.85
  4. Step 4: Simplify right side
    30,803.37x = 738,519,176.71
  5. Step 5: Solve for x
    x = 738,519,176.71/30,803.37
  6. Step 6: Final answer
    x = 23,975.27

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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.