Home / 32,438.45-48,679.50-11,378.69

Finding the Fourth Proportional to 32,438.45, 48,679.50 and 11,378.69

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Solution

The fourth proportional to 32,438.45, 48,679.50 and 11,378.69 is: 17,075.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,438.45 : 48,679.50 = 11,378.69 : x
  2. Step 2: Convert to fraction form
    32,438.45/48,679.50 = 11,378.69/x
  3. Step 3: Cross multiply
    32,438.45x = 48,679.50 × 11,378.69
  4. Step 4: Simplify right side
    32,438.45x = 553,908,696.46
  5. Step 5: Solve for x
    x = 553,908,696.46/32,438.45
  6. Step 6: Final answer
    x = 17,075.69

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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.