Home / 55,545.40-76,653.70-30,396.52

Finding the Fourth Proportional to 55,545.40, 76,653.70 and 30,396.52

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Solution

The fourth proportional to 55,545.40, 76,653.70 and 30,396.52 is: 41,947.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,545.40 : 76,653.70 = 30,396.52 : x
  2. Step 2: Convert to fraction form
    55,545.40/76,653.70 = 30,396.52/x
  3. Step 3: Cross multiply
    55,545.40x = 76,653.70 × 30,396.52
  4. Step 4: Simplify right side
    55,545.40x = 2,330,005,725.12
  5. Step 5: Solve for x
    x = 2,330,005,725.12/55,545.40
  6. Step 6: Final answer
    x = 41,947.77

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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.