Home / 48,934.10-73,403.94-13,871

Finding the Fourth Proportional to 48,934.10, 73,403.94 and 13,871

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Solution

The fourth proportional to 48,934.10, 73,403.94 and 13,871 is: 20,807.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,934.10 : 73,403.94 = 13,871 : x
  2. Step 2: Convert to fraction form
    48,934.10/73,403.94 = 13,871/x
  3. Step 3: Cross multiply
    48,934.10x = 73,403.94 × 13,871
  4. Step 4: Simplify right side
    48,934.10x = 1,018,186,051.74
  5. Step 5: Solve for x
    x = 1,018,186,051.74/48,934.10
  6. Step 6: Final answer
    x = 20,807.29

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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.