Home / 31,146.48-46,738.40-11,427.03

Finding the Fourth Proportional to 31,146.48, 46,738.40 and 11,427.03

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Solution

The fourth proportional to 31,146.48, 46,738.40 and 11,427.03 is: 17,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,146.48 : 46,738.40 = 11,427.03 : x
  2. Step 2: Convert to fraction form
    31,146.48/46,738.40 = 11,427.03/x
  3. Step 3: Cross multiply
    31,146.48x = 46,738.40 × 11,427.03
  4. Step 4: Simplify right side
    31,146.48x = 534,081,041.82
  5. Step 5: Solve for x
    x = 534,081,041.82/31,146.48
  6. Step 6: Final answer
    x = 17,147.40

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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.