Home / 34,005.12-46,929.68-18,899.02

Finding the Fourth Proportional to 34,005.12, 46,929.68 and 18,899.02

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Solution

The fourth proportional to 34,005.12, 46,929.68 and 18,899.02 is: 26,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,005.12 : 46,929.68 = 18,899.02 : x
  2. Step 2: Convert to fraction form
    34,005.12/46,929.68 = 18,899.02/x
  3. Step 3: Cross multiply
    34,005.12x = 46,929.68 × 18,899.02
  4. Step 4: Simplify right side
    34,005.12x = 886,924,995.95
  5. Step 5: Solve for x
    x = 886,924,995.95/34,005.12
  6. Step 6: Final answer
    x = 26,082.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.