Home / 35,140.56-52,731.46-12,969.39

Finding the Fourth Proportional to 35,140.56, 52,731.46 and 12,969.39

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Solution

The fourth proportional to 35,140.56, 52,731.46 and 12,969.39 is: 19,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,140.56 : 52,731.46 = 12,969.39 : x
  2. Step 2: Convert to fraction form
    35,140.56/52,731.46 = 12,969.39/x
  3. Step 3: Cross multiply
    35,140.56x = 52,731.46 × 12,969.39
  4. Step 4: Simplify right side
    35,140.56x = 683,894,862.70
  5. Step 5: Solve for x
    x = 683,894,862.70/35,140.56
  6. Step 6: Final answer
    x = 19,461.70

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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.