Home / 47,437.48-65,454.42-28,575.64

Finding the Fourth Proportional to 47,437.48, 65,454.42 and 28,575.64

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Solution

The fourth proportional to 47,437.48, 65,454.42 and 28,575.64 is: 39,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,437.48 : 65,454.42 = 28,575.64 : x
  2. Step 2: Convert to fraction form
    47,437.48/65,454.42 = 28,575.64/x
  3. Step 3: Cross multiply
    47,437.48x = 65,454.42 × 28,575.64
  4. Step 4: Simplify right side
    47,437.48x = 1,870,401,942.33
  5. Step 5: Solve for x
    x = 1,870,401,942.33/47,437.48
  6. Step 6: Final answer
    x = 39,428.78

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1.5x scale

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.