Home / 30,279.21-45,381.75-22,860.42

Finding the Fourth Proportional to 30,279.21, 45,381.75 and 22,860.42

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Solution

The fourth proportional to 30,279.21, 45,381.75 and 22,860.42 is: 34,262.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279.21 : 45,381.75 = 22,860.42 : x
  2. Step 2: Convert to fraction form
    30,279.21/45,381.75 = 22,860.42/x
  3. Step 3: Cross multiply
    30,279.21x = 45,381.75 × 22,860.42
  4. Step 4: Simplify right side
    30,279.21x = 1,037,445,865.34
  5. Step 5: Solve for x
    x = 1,037,445,865.34/30,279.21
  6. Step 6: Final answer
    x = 34,262.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.