Home / 39,150.40-58,703.64-15,749.44

Finding the Fourth Proportional to 39,150.40, 58,703.64 and 15,749.44

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Solution

The fourth proportional to 39,150.40, 58,703.64 and 15,749.44 is: 23,615.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,150.40 : 58,703.64 = 15,749.44 : x
  2. Step 2: Convert to fraction form
    39,150.40/58,703.64 = 15,749.44/x
  3. Step 3: Cross multiply
    39,150.40x = 58,703.64 × 15,749.44
  4. Step 4: Simplify right side
    39,150.40x = 924,549,455.96
  5. Step 5: Solve for x
    x = 924,549,455.96/39,150.40
  6. Step 6: Final answer
    x = 23,615.33

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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.