Home / 35,989.20-49,665.18-20,074.68

Finding the Fourth Proportional to 35,989.20, 49,665.18 and 20,074.68

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Solution

The fourth proportional to 35,989.20, 49,665.18 and 20,074.68 is: 27,703.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,989.20 : 49,665.18 = 20,074.68 : x
  2. Step 2: Convert to fraction form
    35,989.20/49,665.18 = 20,074.68/x
  3. Step 3: Cross multiply
    35,989.20x = 49,665.18 × 20,074.68
  4. Step 4: Simplify right side
    35,989.20x = 997,012,595.64
  5. Step 5: Solve for x
    x = 997,012,595.64/35,989.20
  6. Step 6: Final answer
    x = 27,703.11

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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.