Home / 40,904.60-61,328.12-15,923.56

Finding the Fourth Proportional to 40,904.60, 61,328.12 and 15,923.56

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Solution

The fourth proportional to 40,904.60, 61,328.12 and 15,923.56 is: 23,874.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,904.60 : 61,328.12 = 15,923.56 : x
  2. Step 2: Convert to fraction form
    40,904.60/61,328.12 = 15,923.56/x
  3. Step 3: Cross multiply
    40,904.60x = 61,328.12 × 15,923.56
  4. Step 4: Simplify right side
    40,904.60x = 976,561,998.51
  5. Step 5: Solve for x
    x = 976,561,998.51/40,904.60
  6. Step 6: Final answer
    x = 23,874.14

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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.