Home / 45,434.40-68,141.28-14,262.24

Finding the Fourth Proportional to 45,434.40, 68,141.28 and 14,262.24

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Solution

The fourth proportional to 45,434.40, 68,141.28 and 14,262.24 is: 21,390.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,434.40 : 68,141.28 = 14,262.24 : x
  2. Step 2: Convert to fraction form
    45,434.40/68,141.28 = 14,262.24/x
  3. Step 3: Cross multiply
    45,434.40x = 68,141.28 × 14,262.24
  4. Step 4: Simplify right side
    45,434.40x = 971,847,289.27
  5. Step 5: Solve for x
    x = 971,847,289.27/45,434.40
  6. Step 6: Final answer
    x = 21,390.12

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1.5x scale

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.