Home / 58,635.81-87,936.80-28,631.54

Finding the Fourth Proportional to 58,635.81, 87,936.80 and 28,631.54

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Solution

The fourth proportional to 58,635.81, 87,936.80 and 28,631.54 is: 42,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,635.81 : 87,936.80 = 28,631.54 : x
  2. Step 2: Convert to fraction form
    58,635.81/87,936.80 = 28,631.54/x
  3. Step 3: Cross multiply
    58,635.81x = 87,936.80 × 28,631.54
  4. Step 4: Simplify right side
    58,635.81x = 2,517,766,006.67
  5. Step 5: Solve for x
    x = 2,517,766,006.67/58,635.81
  6. Step 6: Final answer
    x = 42,939.05

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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.