Home / 56,301.09-77,694.48-31,150.59

Finding the Fourth Proportional to 56,301.09, 77,694.48 and 31,150.59

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Solution

The fourth proportional to 56,301.09, 77,694.48 and 31,150.59 is: 42,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,301.09 : 77,694.48 = 31,150.59 : x
  2. Step 2: Convert to fraction form
    56,301.09/77,694.48 = 31,150.59/x
  3. Step 3: Cross multiply
    56,301.09x = 77,694.48 × 31,150.59
  4. Step 4: Simplify right side
    56,301.09x = 2,420,228,891.74
  5. Step 5: Solve for x
    x = 2,420,228,891.74/56,301.09
  6. Step 6: Final answer
    x = 42,987.25

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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.