Home / 35,597.36-49,108.80-20,486.72

Finding the Fourth Proportional to 35,597.36, 49,108.80 and 20,486.72

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Solution

The fourth proportional to 35,597.36, 49,108.80 and 20,486.72 is: 28,262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,597.36 : 49,108.80 = 20,486.72 : x
  2. Step 2: Convert to fraction form
    35,597.36/49,108.80 = 20,486.72/x
  3. Step 3: Cross multiply
    35,597.36x = 49,108.80 × 20,486.72
  4. Step 4: Simplify right side
    35,597.36x = 1,006,078,235.14
  5. Step 5: Solve for x
    x = 1,006,078,235.14/35,597.36
  6. Step 6: Final answer
    x = 28,262.72

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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.