Home / 34,117.04-47,081.61-19,779.65

Finding the Fourth Proportional to 34,117.04, 47,081.61 and 19,779.65

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Solution

The fourth proportional to 34,117.04, 47,081.61 and 19,779.65 is: 27,295.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,117.04 : 47,081.61 = 19,779.65 : x
  2. Step 2: Convert to fraction form
    34,117.04/47,081.61 = 19,779.65/x
  3. Step 3: Cross multiply
    34,117.04x = 47,081.61 × 19,779.65
  4. Step 4: Simplify right side
    34,117.04x = 931,257,668.34
  5. Step 5: Solve for x
    x = 931,257,668.34/34,117.04
  6. Step 6: Final answer
    x = 27,295.97

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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.