Home / 45,740.40-68,653.80-28,244.40

Finding the Fourth Proportional to 45,740.40, 68,653.80 and 28,244.40

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Solution

The fourth proportional to 45,740.40, 68,653.80 and 28,244.40 is: 42,393.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,740.40 : 68,653.80 = 28,244.40 : x
  2. Step 2: Convert to fraction form
    45,740.40/68,653.80 = 28,244.40/x
  3. Step 3: Cross multiply
    45,740.40x = 68,653.80 × 28,244.40
  4. Step 4: Simplify right side
    45,740.40x = 1,939,085,388.72
  5. Step 5: Solve for x
    x = 1,939,085,388.72/45,740.40
  6. Step 6: Final answer
    x = 42,393.28

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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.