Home / 30,430.21-45,577.26-17,591.65

Finding the Fourth Proportional to 30,430.21, 45,577.26 and 17,591.65

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Solution

The fourth proportional to 30,430.21, 45,577.26 and 17,591.65 is: 26,348.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,430.21 : 45,577.26 = 17,591.65 : x
  2. Step 2: Convert to fraction form
    30,430.21/45,577.26 = 17,591.65/x
  3. Step 3: Cross multiply
    30,430.21x = 45,577.26 × 17,591.65
  4. Step 4: Simplify right side
    30,430.21x = 801,779,205.88
  5. Step 5: Solve for x
    x = 801,779,205.88/30,430.21
  6. Step 6: Final answer
    x = 26,348.13

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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.