Home / 35,208.56-48,586.40-21,069.20

Finding the Fourth Proportional to 35,208.56, 48,586.40 and 21,069.20

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Solution

The fourth proportional to 35,208.56, 48,586.40 and 21,069.20 is: 29,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,208.56 : 48,586.40 = 21,069.20 : x
  2. Step 2: Convert to fraction form
    35,208.56/48,586.40 = 21,069.20/x
  3. Step 3: Cross multiply
    35,208.56x = 48,586.40 × 21,069.20
  4. Step 4: Simplify right side
    35,208.56x = 1,023,676,578.88
  5. Step 5: Solve for x
    x = 1,023,676,578.88/35,208.56
  6. Step 6: Final answer
    x = 29,074.65

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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.