Home / 40,485.80-55,870.49-22,580.35

Finding the Fourth Proportional to 40,485.80, 55,870.49 and 22,580.35

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Solution

The fourth proportional to 40,485.80, 55,870.49 and 22,580.35 is: 31,160.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,485.80 : 55,870.49 = 22,580.35 : x
  2. Step 2: Convert to fraction form
    40,485.80/55,870.49 = 22,580.35/x
  3. Step 3: Cross multiply
    40,485.80x = 55,870.49 × 22,580.35
  4. Step 4: Simplify right side
    40,485.80x = 1,261,575,135.65
  5. Step 5: Solve for x
    x = 1,261,575,135.65/40,485.80
  6. Step 6: Final answer
    x = 31,160.93

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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.