Home / 31,327.03-46,985.67-9,138.09

Finding the Fourth Proportional to 31,327.03, 46,985.67 and 9,138.09

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Solution

The fourth proportional to 31,327.03, 46,985.67 and 9,138.09 is: 13,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,327.03 : 46,985.67 = 9,138.09 : x
  2. Step 2: Convert to fraction form
    31,327.03/46,985.67 = 9,138.09/x
  3. Step 3: Cross multiply
    31,327.03x = 46,985.67 × 9,138.09
  4. Step 4: Simplify right side
    31,327.03x = 429,359,281.17
  5. Step 5: Solve for x
    x = 429,359,281.17/31,327.03
  6. Step 6: Final answer
    x = 13,705.71

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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.