Home / 50,360.08-75,539.84-12,920.08

Finding the Fourth Proportional to 50,360.08, 75,539.84 and 12,920.08

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Solution

The fourth proportional to 50,360.08, 75,539.84 and 12,920.08 is: 19,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,360.08 : 75,539.84 = 12,920.08 : x
  2. Step 2: Convert to fraction form
    50,360.08/75,539.84 = 12,920.08/x
  3. Step 3: Cross multiply
    50,360.08x = 75,539.84 × 12,920.08
  4. Step 4: Simplify right side
    50,360.08x = 975,980,775.99
  5. Step 5: Solve for x
    x = 975,980,775.99/50,360.08
  6. Step 6: Final answer
    x = 19,380.05

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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.