Home / 45,813.28-68,728.56-14,640.16

Finding the Fourth Proportional to 45,813.28, 68,728.56 and 14,640.16

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Solution

The fourth proportional to 45,813.28, 68,728.56 and 14,640.16 is: 21,963.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,813.28 : 68,728.56 = 14,640.16 : x
  2. Step 2: Convert to fraction form
    45,813.28/68,728.56 = 14,640.16/x
  3. Step 3: Cross multiply
    45,813.28x = 68,728.56 × 14,640.16
  4. Step 4: Simplify right side
    45,813.28x = 1,006,197,114.97
  5. Step 5: Solve for x
    x = 1,006,197,114.97/45,813.28
  6. Step 6: Final answer
    x = 21,963.00

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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.