Home / 46,637.20-69,917.68-21,692.80

Finding the Fourth Proportional to 46,637.20, 69,917.68 and 21,692.80

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Solution

The fourth proportional to 46,637.20, 69,917.68 and 21,692.80 is: 32,521.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,637.20 : 69,917.68 = 21,692.80 : x
  2. Step 2: Convert to fraction form
    46,637.20/69,917.68 = 21,692.80/x
  3. Step 3: Cross multiply
    46,637.20x = 69,917.68 × 21,692.80
  4. Step 4: Simplify right side
    46,637.20x = 1,516,710,248.70
  5. Step 5: Solve for x
    x = 1,516,710,248.70/46,637.20
  6. Step 6: Final answer
    x = 32,521.47

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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.