Home / 45,389.73-68,084.56-13,800.05

Finding the Fourth Proportional to 45,389.73, 68,084.56 and 13,800.05

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Solution

The fourth proportional to 45,389.73, 68,084.56 and 13,800.05 is: 20,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,389.73 : 68,084.56 = 13,800.05 : x
  2. Step 2: Convert to fraction form
    45,389.73/68,084.56 = 13,800.05/x
  3. Step 3: Cross multiply
    45,389.73x = 68,084.56 × 13,800.05
  4. Step 4: Simplify right side
    45,389.73x = 939,570,332.23
  5. Step 5: Solve for x
    x = 939,570,332.23/45,389.73
  6. Step 6: Final answer
    x = 20,700.06

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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.