Home / 47,583.18-65,667.51-28,723.14

Finding the Fourth Proportional to 47,583.18, 65,667.51 and 28,723.14

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Solution

The fourth proportional to 47,583.18, 65,667.51 and 28,723.14 is: 39,639.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,583.18 : 65,667.51 = 28,723.14 : x
  2. Step 2: Convert to fraction form
    47,583.18/65,667.51 = 28,723.14/x
  3. Step 3: Cross multiply
    47,583.18x = 65,667.51 × 28,723.14
  4. Step 4: Simplify right side
    47,583.18x = 1,886,177,083.18
  5. Step 5: Solve for x
    x = 1,886,177,083.18/47,583.18
  6. Step 6: Final answer
    x = 39,639.58

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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.