Home / 39,023.56-58,529.38-12,728.26

Finding the Fourth Proportional to 39,023.56, 58,529.38 and 12,728.26

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Solution

The fourth proportional to 39,023.56, 58,529.38 and 12,728.26 is: 19,090.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,023.56 : 58,529.38 = 12,728.26 : x
  2. Step 2: Convert to fraction form
    39,023.56/58,529.38 = 12,728.26/x
  3. Step 3: Cross multiply
    39,023.56x = 58,529.38 × 12,728.26
  4. Step 4: Simplify right side
    39,023.56x = 744,977,166.28
  5. Step 5: Solve for x
    x = 744,977,166.28/39,023.56
  6. Step 6: Final answer
    x = 19,090.45

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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.