Home / 57,172-85,742.51-23,885.10

Finding the Fourth Proportional to 57,172, 85,742.51 and 23,885.10

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Solution

The fourth proportional to 57,172, 85,742.51 and 23,885.10 is: 35,821.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,172 : 85,742.51 = 23,885.10 : x
  2. Step 2: Convert to fraction form
    57,172/85,742.51 = 23,885.10/x
  3. Step 3: Cross multiply
    57,172x = 85,742.51 × 23,885.10
  4. Step 4: Simplify right side
    57,172x = 2,047,968,425.60
  5. Step 5: Solve for x
    x = 2,047,968,425.60/57,172
  6. Step 6: Final answer
    x = 35,821.18

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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.