Home / 54,848.40-82,281.30-21,113.24

Finding the Fourth Proportional to 54,848.40, 82,281.30 and 21,113.24

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Solution

The fourth proportional to 54,848.40, 82,281.30 and 21,113.24 is: 31,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,848.40 : 82,281.30 = 21,113.24 : x
  2. Step 2: Convert to fraction form
    54,848.40/82,281.30 = 21,113.24/x
  3. Step 3: Cross multiply
    54,848.40x = 82,281.30 × 21,113.24
  4. Step 4: Simplify right side
    54,848.40x = 1,737,224,423.01
  5. Step 5: Solve for x
    x = 1,737,224,423.01/54,848.40
  6. Step 6: Final answer
    x = 31,673.20

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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.