Home / 30,259.95-45,392.07-8,073.21

Finding the Fourth Proportional to 30,259.95, 45,392.07 and 8,073.21

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Solution

The fourth proportional to 30,259.95, 45,392.07 and 8,073.21 is: 12,110.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,259.95 : 45,392.07 = 8,073.21 : x
  2. Step 2: Convert to fraction form
    30,259.95/45,392.07 = 8,073.21/x
  3. Step 3: Cross multiply
    30,259.95x = 45,392.07 × 8,073.21
  4. Step 4: Simplify right side
    30,259.95x = 366,459,713.44
  5. Step 5: Solve for x
    x = 366,459,713.44/30,259.95
  6. Step 6: Final answer
    x = 12,110.39

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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.