Home / 35,861.74-49,490.80-20,755.10

Finding the Fourth Proportional to 35,861.74, 49,490.80 and 20,755.10

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Solution

The fourth proportional to 35,861.74, 49,490.80 and 20,755.10 is: 28,642.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,861.74 : 49,490.80 = 20,755.10 : x
  2. Step 2: Convert to fraction form
    35,861.74/49,490.80 = 20,755.10/x
  3. Step 3: Cross multiply
    35,861.74x = 49,490.80 × 20,755.10
  4. Step 4: Simplify right side
    35,861.74x = 1,027,186,503.08
  5. Step 5: Solve for x
    x = 1,027,186,503.08/35,861.74
  6. Step 6: Final answer
    x = 28,642.96

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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.