Home / 34,119.30-47,085.62-19,779.19

Finding the Fourth Proportional to 34,119.30, 47,085.62 and 19,779.19

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Solution

The fourth proportional to 34,119.30, 47,085.62 and 19,779.19 is: 27,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,119.30 : 47,085.62 = 19,779.19 : x
  2. Step 2: Convert to fraction form
    34,119.30/47,085.62 = 19,779.19/x
  3. Step 3: Cross multiply
    34,119.30x = 47,085.62 × 19,779.19
  4. Step 4: Simplify right side
    34,119.30x = 931,315,188.82
  5. Step 5: Solve for x
    x = 931,315,188.82/34,119.30
  6. Step 6: Final answer
    x = 27,295.85

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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.