Home / 45,490.03-68,266.70-18,836.15

Finding the Fourth Proportional to 45,490.03, 68,266.70 and 18,836.15

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Solution

The fourth proportional to 45,490.03, 68,266.70 and 18,836.15 is: 28,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,490.03 : 68,266.70 = 18,836.15 : x
  2. Step 2: Convert to fraction form
    45,490.03/68,266.70 = 18,836.15/x
  3. Step 3: Cross multiply
    45,490.03x = 68,266.70 × 18,836.15
  4. Step 4: Simplify right side
    45,490.03x = 1,285,881,707.02
  5. Step 5: Solve for x
    x = 1,285,881,707.02/45,490.03
  6. Step 6: Final answer
    x = 28,267.33

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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.