Home / 35,135.06-48,488.13-20,803.10

Finding the Fourth Proportional to 35,135.06, 48,488.13 and 20,803.10

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Solution

The fourth proportional to 35,135.06, 48,488.13 and 20,803.10 is: 28,709.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,135.06 : 48,488.13 = 20,803.10 : x
  2. Step 2: Convert to fraction form
    35,135.06/48,488.13 = 20,803.10/x
  3. Step 3: Cross multiply
    35,135.06x = 48,488.13 × 20,803.10
  4. Step 4: Simplify right side
    35,135.06x = 1,008,703,174.76
  5. Step 5: Solve for x
    x = 1,008,703,174.76/35,135.06
  6. Step 6: Final answer
    x = 28,709.31

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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.