Home / 61,846.12-85,316.34-39,147.04

Finding the Fourth Proportional to 61,846.12, 85,316.34 and 39,147.04

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Solution

The fourth proportional to 61,846.12, 85,316.34 and 39,147.04 is: 54,003.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,846.12 : 85,316.34 = 39,147.04 : x
  2. Step 2: Convert to fraction form
    61,846.12/85,316.34 = 39,147.04/x
  3. Step 3: Cross multiply
    61,846.12x = 85,316.34 × 39,147.04
  4. Step 4: Simplify right side
    61,846.12x = 3,339,882,174.63
  5. Step 5: Solve for x
    x = 3,339,882,174.63/61,846.12
  6. Step 6: Final answer
    x = 54,003.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.