Home / 57,271.60-85,907.40-31,027.60

Finding the Fourth Proportional to 57,271.60, 85,907.40 and 31,027.60

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Solution

The fourth proportional to 57,271.60, 85,907.40 and 31,027.60 is: 46,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,271.60 : 85,907.40 = 31,027.60 : x
  2. Step 2: Convert to fraction form
    57,271.60/85,907.40 = 31,027.60/x
  3. Step 3: Cross multiply
    57,271.60x = 85,907.40 × 31,027.60
  4. Step 4: Simplify right side
    57,271.60x = 2,665,500,444.24
  5. Step 5: Solve for x
    x = 2,665,500,444.24/57,271.60
  6. Step 6: Final answer
    x = 46,541.40

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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.