Home / 35,505.41-53,263.58-12,126.38

Finding the Fourth Proportional to 35,505.41, 53,263.58 and 12,126.38

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Solution

The fourth proportional to 35,505.41, 53,263.58 and 12,126.38 is: 18,191.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,505.41 : 53,263.58 = 12,126.38 : x
  2. Step 2: Convert to fraction form
    35,505.41/53,263.58 = 12,126.38/x
  3. Step 3: Cross multiply
    35,505.41x = 53,263.58 × 12,126.38
  4. Step 4: Simplify right side
    35,505.41x = 645,894,084.29
  5. Step 5: Solve for x
    x = 645,894,084.29/35,505.41
  6. Step 6: Final answer
    x = 18,191.43

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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.