Home / 42,286.61-63,439.53-14,204.51

Finding the Fourth Proportional to 42,286.61, 63,439.53 and 14,204.51

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Solution

The fourth proportional to 42,286.61, 63,439.53 and 14,204.51 is: 21,309.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,286.61 : 63,439.53 = 14,204.51 : x
  2. Step 2: Convert to fraction form
    42,286.61/63,439.53 = 14,204.51/x
  3. Step 3: Cross multiply
    42,286.61x = 63,439.53 × 14,204.51
  4. Step 4: Simplify right side
    42,286.61x = 901,127,438.28
  5. Step 5: Solve for x
    x = 901,127,438.28/42,286.61
  6. Step 6: Final answer
    x = 21,309.99

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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.