Home / 57,115.58-85,579.73-40,445.68

Finding the Fourth Proportional to 57,115.58, 85,579.73 and 40,445.68

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Solution

The fourth proportional to 57,115.58, 85,579.73 and 40,445.68 is: 60,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,115.58 : 85,579.73 = 40,445.68 : x
  2. Step 2: Convert to fraction form
    57,115.58/85,579.73 = 40,445.68/x
  3. Step 3: Cross multiply
    57,115.58x = 85,579.73 × 40,445.68
  4. Step 4: Simplify right side
    57,115.58x = 3,461,330,374.07
  5. Step 5: Solve for x
    x = 3,461,330,374.07/57,115.58
  6. Step 6: Final answer
    x = 60,602.21

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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.