Home / 55,305.04-76,320.96-30,154.56

Finding the Fourth Proportional to 55,305.04, 76,320.96 and 30,154.56

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Solution

The fourth proportional to 55,305.04, 76,320.96 and 30,154.56 is: 41,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,305.04 : 76,320.96 = 30,154.56 : x
  2. Step 2: Convert to fraction form
    55,305.04/76,320.96 = 30,154.56/x
  3. Step 3: Cross multiply
    55,305.04x = 76,320.96 × 30,154.56
  4. Step 4: Simplify right side
    55,305.04x = 2,301,424,967.58
  5. Step 5: Solve for x
    x = 2,301,424,967.58/55,305.04
  6. Step 6: Final answer
    x = 41,613.30

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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.