Home / 42,639.16-58,841.29-23,520.68

Finding the Fourth Proportional to 42,639.16, 58,841.29 and 23,520.68

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Solution

The fourth proportional to 42,639.16, 58,841.29 and 23,520.68 is: 32,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,639.16 : 58,841.29 = 23,520.68 : x
  2. Step 2: Convert to fraction form
    42,639.16/58,841.29 = 23,520.68/x
  3. Step 3: Cross multiply
    42,639.16x = 58,841.29 × 23,520.68
  4. Step 4: Simplify right side
    42,639.16x = 1,383,986,976.42
  5. Step 5: Solve for x
    x = 1,383,986,976.42/42,639.16
  6. Step 6: Final answer
    x = 32,458.12

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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.