Home / 35,339.83-48,776.06-20,996.90

Finding the Fourth Proportional to 35,339.83, 48,776.06 and 20,996.90

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Solution

The fourth proportional to 35,339.83, 48,776.06 and 20,996.90 is: 28,979.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,339.83 : 48,776.06 = 20,996.90 : x
  2. Step 2: Convert to fraction form
    35,339.83/48,776.06 = 20,996.90/x
  3. Step 3: Cross multiply
    35,339.83x = 48,776.06 × 20,996.90
  4. Step 4: Simplify right side
    35,339.83x = 1,024,145,949.23
  5. Step 5: Solve for x
    x = 1,024,145,949.23/35,339.83
  6. Step 6: Final answer
    x = 28,979.93

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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.