Home / 57,274.94-79,044.18-31,783.70

Finding the Fourth Proportional to 57,274.94, 79,044.18 and 31,783.70

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Solution

The fourth proportional to 57,274.94, 79,044.18 and 31,783.70 is: 43,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,274.94 : 79,044.18 = 31,783.70 : x
  2. Step 2: Convert to fraction form
    57,274.94/79,044.18 = 31,783.70/x
  3. Step 3: Cross multiply
    57,274.94x = 79,044.18 × 31,783.70
  4. Step 4: Simplify right side
    57,274.94x = 2,512,316,503.87
  5. Step 5: Solve for x
    x = 2,512,316,503.87/57,274.94
  6. Step 6: Final answer
    x = 43,864.15

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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.