Home / 35,020.12-48,328.50-21,597.88

Finding the Fourth Proportional to 35,020.12, 48,328.50 and 21,597.88

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Solution

The fourth proportional to 35,020.12, 48,328.50 and 21,597.88 is: 29,805.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,020.12 : 48,328.50 = 21,597.88 : x
  2. Step 2: Convert to fraction form
    35,020.12/48,328.50 = 21,597.88/x
  3. Step 3: Cross multiply
    35,020.12x = 48,328.50 × 21,597.88
  4. Step 4: Simplify right side
    35,020.12x = 1,043,793,143.58
  5. Step 5: Solve for x
    x = 1,043,793,143.58/35,020.12
  6. Step 6: Final answer
    x = 29,805.53

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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.