Home / 43,158.96-64,738.92-19,457.52

Finding the Fourth Proportional to 43,158.96, 64,738.92 and 19,457.52

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Solution

The fourth proportional to 43,158.96, 64,738.92 and 19,457.52 is: 29,186.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,158.96 : 64,738.92 = 19,457.52 : x
  2. Step 2: Convert to fraction form
    43,158.96/64,738.92 = 19,457.52/x
  3. Step 3: Cross multiply
    43,158.96x = 64,738.92 × 19,457.52
  4. Step 4: Simplify right side
    43,158.96x = 1,259,658,830.68
  5. Step 5: Solve for x
    x = 1,259,658,830.68/43,158.96
  6. Step 6: Final answer
    x = 29,186.50

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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.