Home / 39,224.44-54,129.36-21,319.93

Finding the Fourth Proportional to 39,224.44, 54,129.36 and 21,319.93

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Solution

The fourth proportional to 39,224.44, 54,129.36 and 21,319.93 is: 29,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,224.44 : 54,129.36 = 21,319.93 : x
  2. Step 2: Convert to fraction form
    39,224.44/54,129.36 = 21,319.93/x
  3. Step 3: Cross multiply
    39,224.44x = 54,129.36 × 21,319.93
  4. Step 4: Simplify right side
    39,224.44x = 1,154,034,166.14
  5. Step 5: Solve for x
    x = 1,154,034,166.14/39,224.44
  6. Step 6: Final answer
    x = 29,421.30

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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.