Home / 42,318.80-58,399.92-23,455.88

Finding the Fourth Proportional to 42,318.80, 58,399.92 and 23,455.88

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Solution

The fourth proportional to 42,318.80, 58,399.92 and 23,455.88 is: 32,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,318.80 : 58,399.92 = 23,455.88 : x
  2. Step 2: Convert to fraction form
    42,318.80/58,399.92 = 23,455.88/x
  3. Step 3: Cross multiply
    42,318.80x = 58,399.92 × 23,455.88
  4. Step 4: Simplify right side
    42,318.80x = 1,369,821,515.53
  5. Step 5: Solve for x
    x = 1,369,821,515.53/42,318.80
  6. Step 6: Final answer
    x = 32,369.10

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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.