Home / 31,250.04-43,102.50-19,908.36

Finding the Fourth Proportional to 31,250.04, 43,102.50 and 19,908.36

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Solution

The fourth proportional to 31,250.04, 43,102.50 and 19,908.36 is: 27,459.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,250.04 : 43,102.50 = 19,908.36 : x
  2. Step 2: Convert to fraction form
    31,250.04/43,102.50 = 19,908.36/x
  3. Step 3: Cross multiply
    31,250.04x = 43,102.50 × 19,908.36
  4. Step 4: Simplify right side
    31,250.04x = 858,100,086.90
  5. Step 5: Solve for x
    x = 858,100,086.90/31,250.04
  6. Step 6: Final answer
    x = 27,459.17

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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.