Home / 56,171.77-77,517.03-31,021.27

Finding the Fourth Proportional to 56,171.77, 77,517.03 and 31,021.27

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Solution

The fourth proportional to 56,171.77, 77,517.03 and 31,021.27 is: 42,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,171.77 : 77,517.03 = 31,021.27 : x
  2. Step 2: Convert to fraction form
    56,171.77/77,517.03 = 31,021.27/x
  3. Step 3: Cross multiply
    56,171.77x = 77,517.03 × 31,021.27
  4. Step 4: Simplify right side
    56,171.77x = 2,404,676,717.23
  5. Step 5: Solve for x
    x = 2,404,676,717.23/56,171.77
  6. Step 6: Final answer
    x = 42,809.35

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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.