Home / 58,436.86-87,599.80-18,966.38

Finding the Fourth Proportional to 58,436.86, 87,599.80 and 18,966.38

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Solution

The fourth proportional to 58,436.86, 87,599.80 and 18,966.38 is: 28,431.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,436.86 : 87,599.80 = 18,966.38 : x
  2. Step 2: Convert to fraction form
    58,436.86/87,599.80 = 18,966.38/x
  3. Step 3: Cross multiply
    58,436.86x = 87,599.80 × 18,966.38
  4. Step 4: Simplify right side
    58,436.86x = 1,661,451,094.72
  5. Step 5: Solve for x
    x = 1,661,451,094.72/58,436.86
  6. Step 6: Final answer
    x = 28,431.56

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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.