Home / 45,757.86-62,955.27-40,356.78

Finding the Fourth Proportional to 45,757.86, 62,955.27 and 40,356.78

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Solution

The fourth proportional to 45,757.86, 62,955.27 and 40,356.78 is: 55,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,757.86 : 62,955.27 = 40,356.78 : x
  2. Step 2: Convert to fraction form
    45,757.86/62,955.27 = 40,356.78/x
  3. Step 3: Cross multiply
    45,757.86x = 62,955.27 × 40,356.78
  4. Step 4: Simplify right side
    45,757.86x = 2,540,671,981.23
  5. Step 5: Solve for x
    x = 2,540,671,981.23/45,757.86
  6. Step 6: Final answer
    x = 55,524.27

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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.