Home / 55,763.64-76,954.02-30,270.05

Finding the Fourth Proportional to 55,763.64, 76,954.02 and 30,270.05

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Solution

The fourth proportional to 55,763.64, 76,954.02 and 30,270.05 is: 41,772.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,763.64 : 76,954.02 = 30,270.05 : x
  2. Step 2: Convert to fraction form
    55,763.64/76,954.02 = 30,270.05/x
  3. Step 3: Cross multiply
    55,763.64x = 76,954.02 × 30,270.05
  4. Step 4: Simplify right side
    55,763.64x = 2,329,402,050.42
  5. Step 5: Solve for x
    x = 2,329,402,050.42/55,763.64
  6. Step 6: Final answer
    x = 41,772.78

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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.