Home / 45,386.20-68,105.94-19,088.92

Finding the Fourth Proportional to 45,386.20, 68,105.94 and 19,088.92

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Solution

The fourth proportional to 45,386.20, 68,105.94 and 19,088.92 is: 28,644.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,386.20 : 68,105.94 = 19,088.92 : x
  2. Step 2: Convert to fraction form
    45,386.20/68,105.94 = 19,088.92/x
  3. Step 3: Cross multiply
    45,386.20x = 68,105.94 × 19,088.92
  4. Step 4: Simplify right side
    45,386.20x = 1,300,068,840.18
  5. Step 5: Solve for x
    x = 1,300,068,840.18/45,386.20
  6. Step 6: Final answer
    x = 28,644.58

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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.