Home / 30,573.48-42,191.87-16,961.43

Finding the Fourth Proportional to 30,573.48, 42,191.87 and 16,961.43

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Solution

The fourth proportional to 30,573.48, 42,191.87 and 16,961.43 is: 23,407.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,573.48 : 42,191.87 = 16,961.43 : x
  2. Step 2: Convert to fraction form
    30,573.48/42,191.87 = 16,961.43/x
  3. Step 3: Cross multiply
    30,573.48x = 42,191.87 × 16,961.43
  4. Step 4: Simplify right side
    30,573.48x = 715,634,364.77
  5. Step 5: Solve for x
    x = 715,634,364.77/30,573.48
  6. Step 6: Final answer
    x = 23,407.03

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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.