Home / 30,636.48-45,955.92-13,997.46

Finding the Fourth Proportional to 30,636.48, 45,955.92 and 13,997.46

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Solution

The fourth proportional to 30,636.48, 45,955.92 and 13,997.46 is: 20,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,636.48 : 45,955.92 = 13,997.46 : x
  2. Step 2: Convert to fraction form
    30,636.48/45,955.92 = 13,997.46/x
  3. Step 3: Cross multiply
    30,636.48x = 45,955.92 × 13,997.46
  4. Step 4: Simplify right side
    30,636.48x = 643,266,151.96
  5. Step 5: Solve for x
    x = 643,266,151.96/30,636.48
  6. Step 6: Final answer
    x = 20,996.74

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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.