Home / 40,219.65-55,506.32-22,318.16

Finding the Fourth Proportional to 40,219.65, 55,506.32 and 22,318.16

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Solution

The fourth proportional to 40,219.65, 55,506.32 and 22,318.16 is: 30,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,219.65 : 55,506.32 = 22,318.16 : x
  2. Step 2: Convert to fraction form
    40,219.65/55,506.32 = 22,318.16/x
  3. Step 3: Cross multiply
    40,219.65x = 55,506.32 × 22,318.16
  4. Step 4: Simplify right side
    40,219.65x = 1,238,798,541.65
  5. Step 5: Solve for x
    x = 1,238,798,541.65/40,219.65
  6. Step 6: Final answer
    x = 30,800.83

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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.