Home / 31,160.08-46,740.12-10,383.58

Finding the Fourth Proportional to 31,160.08, 46,740.12 and 10,383.58

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Solution

The fourth proportional to 31,160.08, 46,740.12 and 10,383.58 is: 15,575.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,160.08 : 46,740.12 = 10,383.58 : x
  2. Step 2: Convert to fraction form
    31,160.08/46,740.12 = 10,383.58/x
  3. Step 3: Cross multiply
    31,160.08x = 46,740.12 × 10,383.58
  4. Step 4: Simplify right side
    31,160.08x = 485,329,775.23
  5. Step 5: Solve for x
    x = 485,329,775.23/31,160.08
  6. Step 6: Final answer
    x = 15,575.37

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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.