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Finding the Fourth Proportional to 35,463.69, 48,939.99 and 19,548.20

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Solution

The fourth proportional to 35,463.69, 48,939.99 and 19,548.20 is: 26,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,463.69 : 48,939.99 = 19,548.20 : x
  2. Step 2: Convert to fraction form
    35,463.69/48,939.99 = 19,548.20/x
  3. Step 3: Cross multiply
    35,463.69x = 48,939.99 × 19,548.20
  4. Step 4: Simplify right side
    35,463.69x = 956,688,467.82
  5. Step 5: Solve for x
    x = 956,688,467.82/35,463.69
  6. Step 6: Final answer
    x = 26,976.56

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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.