Home / 34,271.10-51,459.45-18,719.10

Finding the Fourth Proportional to 34,271.10, 51,459.45 and 18,719.10

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Solution

The fourth proportional to 34,271.10, 51,459.45 and 18,719.10 is: 28,107.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,271.10 : 51,459.45 = 18,719.10 : x
  2. Step 2: Convert to fraction form
    34,271.10/51,459.45 = 18,719.10/x
  3. Step 3: Cross multiply
    34,271.10x = 51,459.45 × 18,719.10
  4. Step 4: Simplify right side
    34,271.10x = 963,274,590.50
  5. Step 5: Solve for x
    x = 963,274,590.50/34,271.10
  6. Step 6: Final answer
    x = 28,107.49

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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.