Home / 57,119.36-78,824.70-31,968.86

Finding the Fourth Proportional to 57,119.36, 78,824.70 and 31,968.86

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Solution

The fourth proportional to 57,119.36, 78,824.70 and 31,968.86 is: 44,117.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,119.36 : 78,824.70 = 31,968.86 : x
  2. Step 2: Convert to fraction form
    57,119.36/78,824.70 = 31,968.86/x
  3. Step 3: Cross multiply
    57,119.36x = 78,824.70 × 31,968.86
  4. Step 4: Simplify right side
    57,119.36x = 2,519,935,404.72
  5. Step 5: Solve for x
    x = 2,519,935,404.72/57,119.36
  6. Step 6: Final answer
    x = 44,117.01

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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.