Home / 49,640.22-74,430.36-20,023.56

Finding the Fourth Proportional to 49,640.22, 74,430.36 and 20,023.56

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Solution

The fourth proportional to 49,640.22, 74,430.36 and 20,023.56 is: 30,023.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,640.22 : 74,430.36 = 20,023.56 : x
  2. Step 2: Convert to fraction form
    49,640.22/74,430.36 = 20,023.56/x
  3. Step 3: Cross multiply
    49,640.22x = 74,430.36 × 20,023.56
  4. Step 4: Simplify right side
    49,640.22x = 1,490,360,779.28
  5. Step 5: Solve for x
    x = 1,490,360,779.28/49,640.22
  6. Step 6: Final answer
    x = 30,023.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.