Home / 49,421.80-68,134.29-31,263.49

Finding the Fourth Proportional to 49,421.80, 68,134.29 and 31,263.49

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Solution

The fourth proportional to 49,421.80, 68,134.29 and 31,263.49 is: 43,100.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,421.80 : 68,134.29 = 31,263.49 : x
  2. Step 2: Convert to fraction form
    49,421.80/68,134.29 = 31,263.49/x
  3. Step 3: Cross multiply
    49,421.80x = 68,134.29 × 31,263.49
  4. Step 4: Simplify right side
    49,421.80x = 2,130,115,694.07
  5. Step 5: Solve for x
    x = 2,130,115,694.07/49,421.80
  6. Step 6: Final answer
    x = 43,100.73

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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.