Home / 55,574.32-83,368.80-18,121.24

Finding the Fourth Proportional to 55,574.32, 83,368.80 and 18,121.24

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Solution

The fourth proportional to 55,574.32, 83,368.80 and 18,121.24 is: 27,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,574.32 : 83,368.80 = 18,121.24 : x
  2. Step 2: Convert to fraction form
    55,574.32/83,368.80 = 18,121.24/x
  3. Step 3: Cross multiply
    55,574.32x = 83,368.80 × 18,121.24
  4. Step 4: Simplify right side
    55,574.32x = 1,510,746,033.31
  5. Step 5: Solve for x
    x = 1,510,746,033.31/55,574.32
  6. Step 6: Final answer
    x = 27,184.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.