Home / 31,514.31-47,258.10-11,779.07

Finding the Fourth Proportional to 31,514.31, 47,258.10 and 11,779.07

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Solution

The fourth proportional to 31,514.31, 47,258.10 and 11,779.07 is: 17,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,514.31 : 47,258.10 = 11,779.07 : x
  2. Step 2: Convert to fraction form
    31,514.31/47,258.10 = 11,779.07/x
  3. Step 3: Cross multiply
    31,514.31x = 47,258.10 × 11,779.07
  4. Step 4: Simplify right side
    31,514.31x = 556,656,231.68
  5. Step 5: Solve for x
    x = 556,656,231.68/31,514.31
  6. Step 6: Final answer
    x = 17,663.60

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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.