Home / 40,095-55,267.36-31,583.65

Finding the Fourth Proportional to 40,095, 55,267.36 and 31,583.65

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Solution

The fourth proportional to 40,095, 55,267.36 and 31,583.65 is: 43,535.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,095 : 55,267.36 = 31,583.65 : x
  2. Step 2: Convert to fraction form
    40,095/55,267.36 = 31,583.65/x
  3. Step 3: Cross multiply
    40,095x = 55,267.36 × 31,583.65
  4. Step 4: Simplify right side
    40,095x = 1,745,544,737.54
  5. Step 5: Solve for x
    x = 1,745,544,737.54/40,095
  6. Step 6: Final answer
    x = 43,535.22

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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.