Home / 45,389.18-68,084.27-13,804.38

Finding the Fourth Proportional to 45,389.18, 68,084.27 and 13,804.38

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Solution

The fourth proportional to 45,389.18, 68,084.27 and 13,804.38 is: 20,706.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,389.18 : 68,084.27 = 13,804.38 : x
  2. Step 2: Convert to fraction form
    45,389.18/68,084.27 = 13,804.38/x
  3. Step 3: Cross multiply
    45,389.18x = 68,084.27 × 13,804.38
  4. Step 4: Simplify right side
    45,389.18x = 939,861,066.08
  5. Step 5: Solve for x
    x = 939,861,066.08/45,389.18
  6. Step 6: Final answer
    x = 20,706.72

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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.