Home / 47,647.28-65,751.58-26,428.52

Finding the Fourth Proportional to 47,647.28, 65,751.58 and 26,428.52

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Solution

The fourth proportional to 47,647.28, 65,751.58 and 26,428.52 is: 36,470.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,647.28 : 65,751.58 = 26,428.52 : x
  2. Step 2: Convert to fraction form
    47,647.28/65,751.58 = 26,428.52/x
  3. Step 3: Cross multiply
    47,647.28x = 65,751.58 × 26,428.52
  4. Step 4: Simplify right side
    47,647.28x = 1,737,717,144.48
  5. Step 5: Solve for x
    x = 1,737,717,144.48/47,647.28
  6. Step 6: Final answer
    x = 36,470.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.