Home / 45,837.36-68,740.11-21,818.70

Finding the Fourth Proportional to 45,837.36, 68,740.11 and 21,818.70

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Solution

The fourth proportional to 45,837.36, 68,740.11 and 21,818.70 is: 32,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,837.36 : 68,740.11 = 21,818.70 : x
  2. Step 2: Convert to fraction form
    45,837.36/68,740.11 = 21,818.70/x
  3. Step 3: Cross multiply
    45,837.36x = 68,740.11 × 21,818.70
  4. Step 4: Simplify right side
    45,837.36x = 1,499,819,838.06
  5. Step 5: Solve for x
    x = 1,499,819,838.06/45,837.36
  6. Step 6: Final answer
    x = 32,720.47

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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.