Home / 57,090.84-78,785.49-31,598.97

Finding the Fourth Proportional to 57,090.84, 78,785.49 and 31,598.97

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Solution

The fourth proportional to 57,090.84, 78,785.49 and 31,598.97 is: 43,606.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,090.84 : 78,785.49 = 31,598.97 : x
  2. Step 2: Convert to fraction form
    57,090.84/78,785.49 = 31,598.97/x
  3. Step 3: Cross multiply
    57,090.84x = 78,785.49 × 31,598.97
  4. Step 4: Simplify right side
    57,090.84x = 2,489,540,334.95
  5. Step 5: Solve for x
    x = 2,489,540,334.95/57,090.84
  6. Step 6: Final answer
    x = 43,606.65

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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.