Home / 29,379.02-40,552.29-18,768.65

Finding the Fourth Proportional to 29,379.02, 40,552.29 and 18,768.65

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Solution

The fourth proportional to 29,379.02, 40,552.29 and 18,768.65 is: 25,906.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379.02 : 40,552.29 = 18,768.65 : x
  2. Step 2: Convert to fraction form
    29,379.02/40,552.29 = 18,768.65/x
  3. Step 3: Cross multiply
    29,379.02x = 40,552.29 × 18,768.65
  4. Step 4: Simplify right side
    29,379.02x = 761,111,737.71
  5. Step 5: Solve for x
    x = 761,111,737.71/29,379.02
  6. Step 6: Final answer
    x = 25,906.64

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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.