Home / 38,516.40-57,774.60-30,740.40

Finding the Fourth Proportional to 38,516.40, 57,774.60 and 30,740.40

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Solution

The fourth proportional to 38,516.40, 57,774.60 and 30,740.40 is: 46,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,516.40 : 57,774.60 = 30,740.40 : x
  2. Step 2: Convert to fraction form
    38,516.40/57,774.60 = 30,740.40/x
  3. Step 3: Cross multiply
    38,516.40x = 57,774.60 × 30,740.40
  4. Step 4: Simplify right side
    38,516.40x = 1,776,014,313.84
  5. Step 5: Solve for x
    x = 1,776,014,313.84/38,516.40
  6. Step 6: Final answer
    x = 46,110.60

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1.5x scale

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.