Home / 39,916.92-55,071.98-25,779.32

Finding the Fourth Proportional to 39,916.92, 55,071.98 and 25,779.32

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Solution

The fourth proportional to 39,916.92, 55,071.98 and 25,779.32 is: 35,566.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916.92 : 55,071.98 = 25,779.32 : x
  2. Step 2: Convert to fraction form
    39,916.92/55,071.98 = 25,779.32/x
  3. Step 3: Cross multiply
    39,916.92x = 55,071.98 × 25,779.32
  4. Step 4: Simplify right side
    39,916.92x = 1,419,718,195.45
  5. Step 5: Solve for x
    x = 1,419,718,195.45/39,916.92
  6. Step 6: Final answer
    x = 35,566.83

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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.