Home / 64,074.90-96,122.34-30,788.76

Finding the Fourth Proportional to 64,074.90, 96,122.34 and 30,788.76

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Solution

The fourth proportional to 64,074.90, 96,122.34 and 30,788.76 is: 46,187.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,074.90 : 96,122.34 = 30,788.76 : x
  2. Step 2: Convert to fraction form
    64,074.90/96,122.34 = 30,788.76/x
  3. Step 3: Cross multiply
    64,074.90x = 96,122.34 × 30,788.76
  4. Step 4: Simplify right side
    64,074.90x = 2,959,487,656.90
  5. Step 5: Solve for x
    x = 2,959,487,656.90/64,074.90
  6. Step 6: Final answer
    x = 46,187.94

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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.