Home / 39,438.16-54,424.68-22,670.16

Finding the Fourth Proportional to 39,438.16, 54,424.68 and 22,670.16

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Solution

The fourth proportional to 39,438.16, 54,424.68 and 22,670.16 is: 31,284.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,438.16 : 54,424.68 = 22,670.16 : x
  2. Step 2: Convert to fraction form
    39,438.16/54,424.68 = 22,670.16/x
  3. Step 3: Cross multiply
    39,438.16x = 54,424.68 × 22,670.16
  4. Step 4: Simplify right side
    39,438.16x = 1,233,816,203.55
  5. Step 5: Solve for x
    x = 1,233,816,203.55/39,438.16
  6. Step 6: Final answer
    x = 31,284.83

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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.