Home / 35,247.32-48,633.42-20,135.15

Finding the Fourth Proportional to 35,247.32, 48,633.42 and 20,135.15

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Solution

The fourth proportional to 35,247.32, 48,633.42 and 20,135.15 is: 27,782.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,247.32 : 48,633.42 = 20,135.15 : x
  2. Step 2: Convert to fraction form
    35,247.32/48,633.42 = 20,135.15/x
  3. Step 3: Cross multiply
    35,247.32x = 48,633.42 × 20,135.15
  4. Step 4: Simplify right side
    35,247.32x = 979,241,206.71
  5. Step 5: Solve for x
    x = 979,241,206.71/35,247.32
  6. Step 6: Final answer
    x = 27,782.00

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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.