Home / 40,430.76-60,654.78-14,136.36

Finding the Fourth Proportional to 40,430.76, 60,654.78 and 14,136.36

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Solution

The fourth proportional to 40,430.76, 60,654.78 and 14,136.36 is: 21,207.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,430.76 : 60,654.78 = 14,136.36 : x
  2. Step 2: Convert to fraction form
    40,430.76/60,654.78 = 14,136.36/x
  3. Step 3: Cross multiply
    40,430.76x = 60,654.78 × 14,136.36
  4. Step 4: Simplify right side
    40,430.76x = 857,437,805.80
  5. Step 5: Solve for x
    x = 857,437,805.80/40,430.76
  6. Step 6: Final answer
    x = 21,207.56

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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.