Home / 43,346.40-65,026.48-18,386.56

Finding the Fourth Proportional to 43,346.40, 65,026.48 and 18,386.56

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Solution

The fourth proportional to 43,346.40, 65,026.48 and 18,386.56 is: 27,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,346.40 : 65,026.48 = 18,386.56 : x
  2. Step 2: Convert to fraction form
    43,346.40/65,026.48 = 18,386.56/x
  3. Step 3: Cross multiply
    43,346.40x = 65,026.48 × 18,386.56
  4. Step 4: Simplify right side
    43,346.40x = 1,195,613,276.11
  5. Step 5: Solve for x
    x = 1,195,613,276.11/43,346.40
  6. Step 6: Final answer
    x = 27,582.76

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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.