Home / 45,814.40-68,721.60-14,652.80

Finding the Fourth Proportional to 45,814.40, 68,721.60 and 14,652.80

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Solution

The fourth proportional to 45,814.40, 68,721.60 and 14,652.80 is: 21,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,814.40 : 68,721.60 = 14,652.80 : x
  2. Step 2: Convert to fraction form
    45,814.40/68,721.60 = 14,652.80/x
  3. Step 3: Cross multiply
    45,814.40x = 68,721.60 × 14,652.80
  4. Step 4: Simplify right side
    45,814.40x = 1,006,963,860.48
  5. Step 5: Solve for x
    x = 1,006,963,860.48/45,814.40
  6. Step 6: Final answer
    x = 21,979.20

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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.