Home / 54,927.20-82,423.20-19,862.30

Finding the Fourth Proportional to 54,927.20, 82,423.20 and 19,862.30

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Solution

The fourth proportional to 54,927.20, 82,423.20 and 19,862.30 is: 29,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,927.20 : 82,423.20 = 19,862.30 : x
  2. Step 2: Convert to fraction form
    54,927.20/82,423.20 = 19,862.30/x
  3. Step 3: Cross multiply
    54,927.20x = 82,423.20 × 19,862.30
  4. Step 4: Simplify right side
    54,927.20x = 1,637,114,325.36
  5. Step 5: Solve for x
    x = 1,637,114,325.36/54,927.20
  6. Step 6: Final answer
    x = 29,805.17

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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.