Home / 64,045.96-96,078.60-30,759.76

Finding the Fourth Proportional to 64,045.96, 96,078.60 and 30,759.76

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Solution

The fourth proportional to 64,045.96, 96,078.60 and 30,759.76 is: 46,144.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,045.96 : 96,078.60 = 30,759.76 : x
  2. Step 2: Convert to fraction form
    64,045.96/96,078.60 = 30,759.76/x
  3. Step 3: Cross multiply
    64,045.96x = 96,078.60 × 30,759.76
  4. Step 4: Simplify right side
    64,045.96x = 2,955,354,677.14
  5. Step 5: Solve for x
    x = 2,955,354,677.14/64,045.96
  6. Step 6: Final answer
    x = 46,144.28

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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.