Home / 35,031.08-48,329-21,579.01

Finding the Fourth Proportional to 35,031.08, 48,329 and 21,579.01

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Solution

The fourth proportional to 35,031.08, 48,329 and 21,579.01 is: 29,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,031.08 : 48,329 = 21,579.01 : x
  2. Step 2: Convert to fraction form
    35,031.08/48,329 = 21,579.01/x
  3. Step 3: Cross multiply
    35,031.08x = 48,329 × 21,579.01
  4. Step 4: Simplify right side
    35,031.08x = 1,042,891,974.29
  5. Step 5: Solve for x
    x = 1,042,891,974.29/35,031.08
  6. Step 6: Final answer
    x = 29,770.48

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1.5x scale

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.