Home / 30,934.74-42,712.20-19,014.24

Finding the Fourth Proportional to 30,934.74, 42,712.20 and 19,014.24

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Solution

The fourth proportional to 30,934.74, 42,712.20 and 19,014.24 is: 26,253.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,934.74 : 42,712.20 = 19,014.24 : x
  2. Step 2: Convert to fraction form
    30,934.74/42,712.20 = 19,014.24/x
  3. Step 3: Cross multiply
    30,934.74x = 42,712.20 × 19,014.24
  4. Step 4: Simplify right side
    30,934.74x = 812,140,021.73
  5. Step 5: Solve for x
    x = 812,140,021.73/30,934.74
  6. Step 6: Final answer
    x = 26,253.33

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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.