Home / 30,524.90-42,144.93-19,057.28

Finding the Fourth Proportional to 30,524.90, 42,144.93 and 19,057.28

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Solution

The fourth proportional to 30,524.90, 42,144.93 and 19,057.28 is: 26,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,524.90 : 42,144.93 = 19,057.28 : x
  2. Step 2: Convert to fraction form
    30,524.90/42,144.93 = 19,057.28/x
  3. Step 3: Cross multiply
    30,524.90x = 42,144.93 × 19,057.28
  4. Step 4: Simplify right side
    30,524.90x = 803,167,884.06
  5. Step 5: Solve for x
    x = 803,167,884.06/30,524.90
  6. Step 6: Final answer
    x = 26,311.90

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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.