Home / 45,490.68-68,274.36-19,214.28

Finding the Fourth Proportional to 45,490.68, 68,274.36 and 19,214.28

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Solution

The fourth proportional to 45,490.68, 68,274.36 and 19,214.28 is: 28,837.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,490.68 : 68,274.36 = 19,214.28 : x
  2. Step 2: Convert to fraction form
    45,490.68/68,274.36 = 19,214.28/x
  3. Step 3: Cross multiply
    45,490.68x = 68,274.36 × 19,214.28
  4. Step 4: Simplify right side
    45,490.68x = 1,311,842,669.86
  5. Step 5: Solve for x
    x = 1,311,842,669.86/45,490.68
  6. Step 6: Final answer
    x = 28,837.61

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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.