Home / 37,430.29-51,651.60-20,431.16

Finding the Fourth Proportional to 37,430.29, 51,651.60 and 20,431.16

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Solution

The fourth proportional to 37,430.29, 51,651.60 and 20,431.16 is: 28,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,430.29 : 51,651.60 = 20,431.16 : x
  2. Step 2: Convert to fraction form
    37,430.29/51,651.60 = 20,431.16/x
  3. Step 3: Cross multiply
    37,430.29x = 51,651.60 × 20,431.16
  4. Step 4: Simplify right side
    37,430.29x = 1,055,302,103.86
  5. Step 5: Solve for x
    x = 1,055,302,103.86/37,430.29
  6. Step 6: Final answer
    x = 28,193.80

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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.