Home / 40,785.21-61,160.50-15,820.60

Finding the Fourth Proportional to 40,785.21, 61,160.50 and 15,820.60

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Solution

The fourth proportional to 40,785.21, 61,160.50 and 15,820.60 is: 23,724.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,785.21 : 61,160.50 = 15,820.60 : x
  2. Step 2: Convert to fraction form
    40,785.21/61,160.50 = 15,820.60/x
  3. Step 3: Cross multiply
    40,785.21x = 61,160.50 × 15,820.60
  4. Step 4: Simplify right side
    40,785.21x = 967,595,806.30
  5. Step 5: Solve for x
    x = 967,595,806.30/40,785.21
  6. Step 6: Final answer
    x = 23,724.18

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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.