Home / 55,309.77-76,327.65-30,159.27

Finding the Fourth Proportional to 55,309.77, 76,327.65 and 30,159.27

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Solution

The fourth proportional to 55,309.77, 76,327.65 and 30,159.27 is: 41,619.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,309.77 : 76,327.65 = 30,159.27 : x
  2. Step 2: Convert to fraction form
    55,309.77/76,327.65 = 30,159.27/x
  3. Step 3: Cross multiply
    55,309.77x = 76,327.65 × 30,159.27
  4. Step 4: Simplify right side
    55,309.77x = 2,301,986,204.82
  5. Step 5: Solve for x
    x = 2,301,986,204.82/55,309.77
  6. Step 6: Final answer
    x = 41,619.88

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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.