Home / 35,004.20-52,506.30-21,007.40

Finding the Fourth Proportional to 35,004.20, 52,506.30 and 21,007.40

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Solution

The fourth proportional to 35,004.20, 52,506.30 and 21,007.40 is: 31,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,004.20 : 52,506.30 = 21,007.40 : x
  2. Step 2: Convert to fraction form
    35,004.20/52,506.30 = 21,007.40/x
  3. Step 3: Cross multiply
    35,004.20x = 52,506.30 × 21,007.40
  4. Step 4: Simplify right side
    35,004.20x = 1,103,020,846.62
  5. Step 5: Solve for x
    x = 1,103,020,846.62/35,004.20
  6. Step 6: Final answer
    x = 31,511.10

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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.