Home / 45,429.38-68,146.80-14,264.63

Finding the Fourth Proportional to 45,429.38, 68,146.80 and 14,264.63

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Solution

The fourth proportional to 45,429.38, 68,146.80 and 14,264.63 is: 21,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,429.38 : 68,146.80 = 14,264.63 : x
  2. Step 2: Convert to fraction form
    45,429.38/68,146.80 = 14,264.63/x
  3. Step 3: Cross multiply
    45,429.38x = 68,146.80 × 14,264.63
  4. Step 4: Simplify right side
    45,429.38x = 972,088,546.95
  5. Step 5: Solve for x
    x = 972,088,546.95/45,429.38
  6. Step 6: Final answer
    x = 21,397.80

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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.