Home / 55,545.76-76,653.36-30,396.64

Finding the Fourth Proportional to 55,545.76, 76,653.36 and 30,396.64

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Solution

The fourth proportional to 55,545.76, 76,653.36 and 30,396.64 is: 41,947.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,545.76 : 76,653.36 = 30,396.64 : x
  2. Step 2: Convert to fraction form
    55,545.76/76,653.36 = 30,396.64/x
  3. Step 3: Cross multiply
    55,545.76x = 76,653.36 × 30,396.64
  4. Step 4: Simplify right side
    55,545.76x = 2,330,004,588.71
  5. Step 5: Solve for x
    x = 2,330,004,588.71/55,545.76
  6. Step 6: Final answer
    x = 41,947.48

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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.