Home / 45,490.35-68,248.18-19,846.92

Finding the Fourth Proportional to 45,490.35, 68,248.18 and 19,846.92

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Solution

The fourth proportional to 45,490.35, 68,248.18 and 19,846.92 is: 29,775.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,490.35 : 68,248.18 = 19,846.92 : x
  2. Step 2: Convert to fraction form
    45,490.35/68,248.18 = 19,846.92/x
  3. Step 3: Cross multiply
    45,490.35x = 68,248.18 × 19,846.92
  4. Step 4: Simplify right side
    45,490.35x = 1,354,516,339.23
  5. Step 5: Solve for x
    x = 1,354,516,339.23/45,490.35
  6. Step 6: Final answer
    x = 29,775.91

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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.