Home / 48,512.64-72,779.40-28,768.08

Finding the Fourth Proportional to 48,512.64, 72,779.40 and 28,768.08

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Solution

The fourth proportional to 48,512.64, 72,779.40 and 28,768.08 is: 43,158.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,512.64 : 72,779.40 = 28,768.08 : x
  2. Step 2: Convert to fraction form
    48,512.64/72,779.40 = 28,768.08/x
  3. Step 3: Cross multiply
    48,512.64x = 72,779.40 × 28,768.08
  4. Step 4: Simplify right side
    48,512.64x = 2,093,723,601.55
  5. Step 5: Solve for x
    x = 2,093,723,601.55/48,512.64
  6. Step 6: Final answer
    x = 43,158.31

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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.