Home / 42,381.53-63,527.81-14,291.79

Finding the Fourth Proportional to 42,381.53, 63,527.81 and 14,291.79

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Solution

The fourth proportional to 42,381.53, 63,527.81 and 14,291.79 is: 21,422.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,381.53 : 63,527.81 = 14,291.79 : x
  2. Step 2: Convert to fraction form
    42,381.53/63,527.81 = 14,291.79/x
  3. Step 3: Cross multiply
    42,381.53x = 63,527.81 × 14,291.79
  4. Step 4: Simplify right side
    42,381.53x = 907,926,247.73
  5. Step 5: Solve for x
    x = 907,926,247.73/42,381.53
  6. Step 6: Final answer
    x = 21,422.69

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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.