Home / 35,191.04-48,579.84-20,849.92

Finding the Fourth Proportional to 35,191.04, 48,579.84 and 20,849.92

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Solution

The fourth proportional to 35,191.04, 48,579.84 and 20,849.92 is: 28,782.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,191.04 : 48,579.84 = 20,849.92 : x
  2. Step 2: Convert to fraction form
    35,191.04/48,579.84 = 20,849.92/x
  3. Step 3: Cross multiply
    35,191.04x = 48,579.84 × 20,849.92
  4. Step 4: Simplify right side
    35,191.04x = 1,012,885,777.61
  5. Step 5: Solve for x
    x = 1,012,885,777.61/35,191.04
  6. Step 6: Final answer
    x = 28,782.49

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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.