Home / 42,689.68-58,915.24-23,571.20

Finding the Fourth Proportional to 42,689.68, 58,915.24 and 23,571.20

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Solution

The fourth proportional to 42,689.68, 58,915.24 and 23,571.20 is: 32,530.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,689.68 : 58,915.24 = 23,571.20 : x
  2. Step 2: Convert to fraction form
    42,689.68/58,915.24 = 23,571.20/x
  3. Step 3: Cross multiply
    42,689.68x = 58,915.24 × 23,571.20
  4. Step 4: Simplify right side
    42,689.68x = 1,388,702,905.09
  5. Step 5: Solve for x
    x = 1,388,702,905.09/42,689.68
  6. Step 6: Final answer
    x = 32,530.18

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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.