Home / 42,568.80-63,848.08-11,406.56

Finding the Fourth Proportional to 42,568.80, 63,848.08 and 11,406.56

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Solution

The fourth proportional to 42,568.80, 63,848.08 and 11,406.56 is: 17,108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,568.80 : 63,848.08 = 11,406.56 : x
  2. Step 2: Convert to fraction form
    42,568.80/63,848.08 = 11,406.56/x
  3. Step 3: Cross multiply
    42,568.80x = 63,848.08 × 11,406.56
  4. Step 4: Simplify right side
    42,568.80x = 728,286,955.40
  5. Step 5: Solve for x
    x = 728,286,955.40/42,568.80
  6. Step 6: Final answer
    x = 17,108.47

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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.