Home / 45,415.18-68,024.31-21,992.50

Finding the Fourth Proportional to 45,415.18, 68,024.31 and 21,992.50

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Solution

The fourth proportional to 45,415.18, 68,024.31 and 21,992.50 is: 32,941.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,415.18 : 68,024.31 = 21,992.50 : x
  2. Step 2: Convert to fraction form
    45,415.18/68,024.31 = 21,992.50/x
  3. Step 3: Cross multiply
    45,415.18x = 68,024.31 × 21,992.50
  4. Step 4: Simplify right side
    45,415.18x = 1,496,024,637.68
  5. Step 5: Solve for x
    x = 1,496,024,637.68/45,415.18
  6. Step 6: Final answer
    x = 32,941.07

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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.