Home / 45,565.02-68,343.84-20,272.38

Finding the Fourth Proportional to 45,565.02, 68,343.84 and 20,272.38

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Solution

The fourth proportional to 45,565.02, 68,343.84 and 20,272.38 is: 30,406.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,565.02 : 68,343.84 = 20,272.38 : x
  2. Step 2: Convert to fraction form
    45,565.02/68,343.84 = 20,272.38/x
  3. Step 3: Cross multiply
    45,565.02x = 68,343.84 × 20,272.38
  4. Step 4: Simplify right side
    45,565.02x = 1,385,492,295.14
  5. Step 5: Solve for x
    x = 1,385,492,295.14/45,565.02
  6. Step 6: Final answer
    x = 30,406.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.