Home / 38,779.50-53,507.40-22,858.14

Finding the Fourth Proportional to 38,779.50, 53,507.40 and 22,858.14

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Solution

The fourth proportional to 38,779.50, 53,507.40 and 22,858.14 is: 31,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,779.50 : 53,507.40 = 22,858.14 : x
  2. Step 2: Convert to fraction form
    38,779.50/53,507.40 = 22,858.14/x
  3. Step 3: Cross multiply
    38,779.50x = 53,507.40 × 22,858.14
  4. Step 4: Simplify right side
    38,779.50x = 1,223,079,640.24
  5. Step 5: Solve for x
    x = 1,223,079,640.24/38,779.50
  6. Step 6: Final answer
    x = 31,539.33

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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.