Home / 58,545.36-80,804.52-39,688.56

Finding the Fourth Proportional to 58,545.36, 80,804.52 and 39,688.56

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Solution

The fourth proportional to 58,545.36, 80,804.52 and 39,688.56 is: 54,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,545.36 : 80,804.52 = 39,688.56 : x
  2. Step 2: Convert to fraction form
    58,545.36/80,804.52 = 39,688.56/x
  3. Step 3: Cross multiply
    58,545.36x = 80,804.52 × 39,688.56
  4. Step 4: Simplify right side
    58,545.36x = 3,207,015,040.29
  5. Step 5: Solve for x
    x = 3,207,015,040.29/58,545.36
  6. Step 6: Final answer
    x = 54,778.30

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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.