Home / 39,971.70-54,760.40-38,476.02

Finding the Fourth Proportional to 39,971.70, 54,760.40 and 38,476.02

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Solution

The fourth proportional to 39,971.70, 54,760.40 and 38,476.02 is: 52,711.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.70 : 54,760.40 = 38,476.02 : x
  2. Step 2: Convert to fraction form
    39,971.70/54,760.40 = 38,476.02/x
  3. Step 3: Cross multiply
    39,971.70x = 54,760.40 × 38,476.02
  4. Step 4: Simplify right side
    39,971.70x = 2,106,962,053.23
  5. Step 5: Solve for x
    x = 2,106,962,053.23/39,971.70
  6. Step 6: Final answer
    x = 52,711.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.