Home / 42,690.20-58,915.70-23,573.60

Finding the Fourth Proportional to 42,690.20, 58,915.70 and 23,573.60

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Solution

The fourth proportional to 42,690.20, 58,915.70 and 23,573.60 is: 32,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,690.20 : 58,915.70 = 23,573.60 : x
  2. Step 2: Convert to fraction form
    42,690.20/58,915.70 = 23,573.60/x
  3. Step 3: Cross multiply
    42,690.20x = 58,915.70 × 23,573.60
  4. Step 4: Simplify right side
    42,690.20x = 1,388,855,145.52
  5. Step 5: Solve for x
    x = 1,388,855,145.52/42,690.20
  6. Step 6: Final answer
    x = 32,533.35

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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.