Home / 30,850.40-42,573.48-16,703.24

Finding the Fourth Proportional to 30,850.40, 42,573.48 and 16,703.24

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Solution

The fourth proportional to 30,850.40, 42,573.48 and 16,703.24 is: 23,050.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,850.40 : 42,573.48 = 16,703.24 : x
  2. Step 2: Convert to fraction form
    30,850.40/42,573.48 = 16,703.24/x
  3. Step 3: Cross multiply
    30,850.40x = 42,573.48 × 16,703.24
  4. Step 4: Simplify right side
    30,850.40x = 711,115,054.08
  5. Step 5: Solve for x
    x = 711,115,054.08/30,850.40
  6. Step 6: Final answer
    x = 23,050.43

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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.