Home / 57,271.41-85,886.52-19,821.32

Finding the Fourth Proportional to 57,271.41, 85,886.52 and 19,821.32

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Solution

The fourth proportional to 57,271.41, 85,886.52 and 19,821.32 is: 29,724.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,271.41 : 85,886.52 = 19,821.32 : x
  2. Step 2: Convert to fraction form
    57,271.41/85,886.52 = 19,821.32/x
  3. Step 3: Cross multiply
    57,271.41x = 85,886.52 × 19,821.32
  4. Step 4: Simplify right side
    57,271.41x = 1,702,384,196.61
  5. Step 5: Solve for x
    x = 1,702,384,196.61/57,271.41
  6. Step 6: Final answer
    x = 29,724.85

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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.