Home / 55,029.66-82,549.98-19,972.05

Finding the Fourth Proportional to 55,029.66, 82,549.98 and 19,972.05

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Solution

The fourth proportional to 55,029.66, 82,549.98 and 19,972.05 is: 29,960.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,029.66 : 82,549.98 = 19,972.05 : x
  2. Step 2: Convert to fraction form
    55,029.66/82,549.98 = 19,972.05/x
  3. Step 3: Cross multiply
    55,029.66x = 82,549.98 × 19,972.05
  4. Step 4: Simplify right side
    55,029.66x = 1,648,692,328.06
  5. Step 5: Solve for x
    x = 1,648,692,328.06/55,029.66
  6. Step 6: Final answer
    x = 29,960.07

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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.