Home / 29,878.76-41,206.01-21,247.98

Finding the Fourth Proportional to 29,878.76, 41,206.01 and 21,247.98

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Solution

The fourth proportional to 29,878.76, 41,206.01 and 21,247.98 is: 29,303.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,878.76 : 41,206.01 = 21,247.98 : x
  2. Step 2: Convert to fraction form
    29,878.76/41,206.01 = 21,247.98/x
  3. Step 3: Cross multiply
    29,878.76x = 41,206.01 × 21,247.98
  4. Step 4: Simplify right side
    29,878.76x = 875,544,270.33
  5. Step 5: Solve for x
    x = 875,544,270.33/29,878.76
  6. Step 6: Final answer
    x = 29,303.23

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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.