Home / 42,740.44-64,110.72-11,150.48

Finding the Fourth Proportional to 42,740.44, 64,110.72 and 11,150.48

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Solution

The fourth proportional to 42,740.44, 64,110.72 and 11,150.48 is: 16,725.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,740.44 : 64,110.72 = 11,150.48 : x
  2. Step 2: Convert to fraction form
    42,740.44/64,110.72 = 11,150.48/x
  3. Step 3: Cross multiply
    42,740.44x = 64,110.72 × 11,150.48
  4. Step 4: Simplify right side
    42,740.44x = 714,865,301.15
  5. Step 5: Solve for x
    x = 714,865,301.15/42,740.44
  6. Step 6: Final answer
    x = 16,725.74

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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.