Home / 43,012.76-64,518.78-23,415.92

Finding the Fourth Proportional to 43,012.76, 64,518.78 and 23,415.92

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Solution

The fourth proportional to 43,012.76, 64,518.78 and 23,415.92 is: 35,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,012.76 : 64,518.78 = 23,415.92 : x
  2. Step 2: Convert to fraction form
    43,012.76/64,518.78 = 23,415.92/x
  3. Step 3: Cross multiply
    43,012.76x = 64,518.78 × 23,415.92
  4. Step 4: Simplify right side
    43,012.76x = 1,510,766,590.98
  5. Step 5: Solve for x
    x = 1,510,766,590.98/43,012.76
  6. Step 6: Final answer
    x = 35,123.68

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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.