Home / 45,242.79-67,864.19-14,071.83

Finding the Fourth Proportional to 45,242.79, 67,864.19 and 14,071.83

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Solution

The fourth proportional to 45,242.79, 67,864.19 and 14,071.83 is: 21,107.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,242.79 : 67,864.19 = 14,071.83 : x
  2. Step 2: Convert to fraction form
    45,242.79/67,864.19 = 14,071.83/x
  3. Step 3: Cross multiply
    45,242.79x = 67,864.19 × 14,071.83
  4. Step 4: Simplify right side
    45,242.79x = 954,973,274.41
  5. Step 5: Solve for x
    x = 954,973,274.41/45,242.79
  6. Step 6: Final answer
    x = 21,107.75

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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.