Home / 35,377.19-48,827.50-20,279.98

Finding the Fourth Proportional to 35,377.19, 48,827.50 and 20,279.98

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Solution

The fourth proportional to 35,377.19, 48,827.50 and 20,279.98 is: 27,990.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,377.19 : 48,827.50 = 20,279.98 : x
  2. Step 2: Convert to fraction form
    35,377.19/48,827.50 = 20,279.98/x
  3. Step 3: Cross multiply
    35,377.19x = 48,827.50 × 20,279.98
  4. Step 4: Simplify right side
    35,377.19x = 990,220,723.45
  5. Step 5: Solve for x
    x = 990,220,723.45/35,377.19
  6. Step 6: Final answer
    x = 27,990.37

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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.