Home / 55,567.74-76,680.54-30,412.38

Finding the Fourth Proportional to 55,567.74, 76,680.54 and 30,412.38

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Solution

The fourth proportional to 55,567.74, 76,680.54 and 30,412.38 is: 41,967.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,567.74 : 76,680.54 = 30,412.38 : x
  2. Step 2: Convert to fraction form
    55,567.74/76,680.54 = 30,412.38/x
  3. Step 3: Cross multiply
    55,567.74x = 76,680.54 × 30,412.38
  4. Step 4: Simplify right side
    55,567.74x = 2,332,037,721.09
  5. Step 5: Solve for x
    x = 2,332,037,721.09/55,567.74
  6. Step 6: Final answer
    x = 41,967.47

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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.