Home / 29,270.58-40,365.98-19,430.42

Finding the Fourth Proportional to 29,270.58, 40,365.98 and 19,430.42

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Solution

The fourth proportional to 29,270.58, 40,365.98 and 19,430.42 is: 26,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,270.58 : 40,365.98 = 19,430.42 : x
  2. Step 2: Convert to fraction form
    29,270.58/40,365.98 = 19,430.42/x
  3. Step 3: Cross multiply
    29,270.58x = 40,365.98 × 19,430.42
  4. Step 4: Simplify right side
    29,270.58x = 784,327,819.91
  5. Step 5: Solve for x
    x = 784,327,819.91/29,270.58
  6. Step 6: Final answer
    x = 26,795.78

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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.