Home / 42,438.57-58,566.14-23,318.58

Finding the Fourth Proportional to 42,438.57, 58,566.14 and 23,318.58

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Solution

The fourth proportional to 42,438.57, 58,566.14 and 23,318.58 is: 32,180.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,438.57 : 58,566.14 = 23,318.58 : x
  2. Step 2: Convert to fraction form
    42,438.57/58,566.14 = 23,318.58/x
  3. Step 3: Cross multiply
    42,438.57x = 58,566.14 × 23,318.58
  4. Step 4: Simplify right side
    42,438.57x = 1,365,679,104.29
  5. Step 5: Solve for x
    x = 1,365,679,104.29/42,438.57
  6. Step 6: Final answer
    x = 32,180.14

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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.