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Finding the Fourth Proportional to 59,653.62, 89,480.43 and 28,040.46

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Solution

The fourth proportional to 59,653.62, 89,480.43 and 28,040.46 is: 42,060.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,653.62 : 89,480.43 = 28,040.46 : x
  2. Step 2: Convert to fraction form
    59,653.62/89,480.43 = 28,040.46/x
  3. Step 3: Cross multiply
    59,653.62x = 89,480.43 × 28,040.46
  4. Step 4: Simplify right side
    59,653.62x = 2,509,072,418.20
  5. Step 5: Solve for x
    x = 2,509,072,418.20/59,653.62
  6. Step 6: Final answer
    x = 42,060.69

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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.