Home / 42,311.45-63,456.74-17,358.59

Finding the Fourth Proportional to 42,311.45, 63,456.74 and 17,358.59

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Solution

The fourth proportional to 42,311.45, 63,456.74 and 17,358.59 is: 26,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,311.45 : 63,456.74 = 17,358.59 : x
  2. Step 2: Convert to fraction form
    42,311.45/63,456.74 = 17,358.59/x
  3. Step 3: Cross multiply
    42,311.45x = 63,456.74 × 17,358.59
  4. Step 4: Simplify right side
    42,311.45x = 1,101,519,128.32
  5. Step 5: Solve for x
    x = 1,101,519,128.32/42,311.45
  6. Step 6: Final answer
    x = 26,033.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.