Home / 35,670.73-49,221.39-20,568.35

Finding the Fourth Proportional to 35,670.73, 49,221.39 and 20,568.35

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Solution

The fourth proportional to 35,670.73, 49,221.39 and 20,568.35 is: 28,381.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,670.73 : 49,221.39 = 20,568.35 : x
  2. Step 2: Convert to fraction form
    35,670.73/49,221.39 = 20,568.35/x
  3. Step 3: Cross multiply
    35,670.73x = 49,221.39 × 20,568.35
  4. Step 4: Simplify right side
    35,670.73x = 1,012,402,861.49
  5. Step 5: Solve for x
    x = 1,012,402,861.49/35,670.73
  6. Step 6: Final answer
    x = 28,381.89

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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.