Home / 40,679.06-60,907.62-30,788.42

Finding the Fourth Proportional to 40,679.06, 60,907.62 and 30,788.42

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Solution

The fourth proportional to 40,679.06, 60,907.62 and 30,788.42 is: 46,098.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,679.06 : 60,907.62 = 30,788.42 : x
  2. Step 2: Convert to fraction form
    40,679.06/60,907.62 = 30,788.42/x
  3. Step 3: Cross multiply
    40,679.06x = 60,907.62 × 30,788.42
  4. Step 4: Simplify right side
    40,679.06x = 1,875,249,385.76
  5. Step 5: Solve for x
    x = 1,875,249,385.76/40,679.06
  6. Step 6: Final answer
    x = 46,098.64

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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.