Home / 51,779.72-71,480.07-39,038.06

Finding the Fourth Proportional to 51,779.72, 71,480.07 and 39,038.06

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Solution

The fourth proportional to 51,779.72, 71,480.07 and 39,038.06 is: 53,890.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,779.72 : 71,480.07 = 39,038.06 : x
  2. Step 2: Convert to fraction form
    51,779.72/71,480.07 = 39,038.06/x
  3. Step 3: Cross multiply
    51,779.72x = 71,480.07 × 39,038.06
  4. Step 4: Simplify right side
    51,779.72x = 2,790,442,904.06
  5. Step 5: Solve for x
    x = 2,790,442,904.06/51,779.72
  6. Step 6: Final answer
    x = 53,890.66

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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.