Home / 35,128.40-48,478.44-20,023.32

Finding the Fourth Proportional to 35,128.40, 48,478.44 and 20,023.32

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Solution

The fourth proportional to 35,128.40, 48,478.44 and 20,023.32 is: 27,632.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.40 : 48,478.44 = 20,023.32 : x
  2. Step 2: Convert to fraction form
    35,128.40/48,478.44 = 20,023.32/x
  3. Step 3: Cross multiply
    35,128.40x = 48,478.44 × 20,023.32
  4. Step 4: Simplify right side
    35,128.40x = 970,699,317.22
  5. Step 5: Solve for x
    x = 970,699,317.22/35,128.40
  6. Step 6: Final answer
    x = 27,632.89

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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.