Home / 32,438.64-48,628.68-11,657.28

Finding the Fourth Proportional to 32,438.64, 48,628.68 and 11,657.28

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Solution

The fourth proportional to 32,438.64, 48,628.68 and 11,657.28 is: 17,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,438.64 : 48,628.68 = 11,657.28 : x
  2. Step 2: Convert to fraction form
    32,438.64/48,628.68 = 11,657.28/x
  3. Step 3: Cross multiply
    32,438.64x = 48,628.68 × 11,657.28
  4. Step 4: Simplify right side
    32,438.64x = 566,878,138.79
  5. Step 5: Solve for x
    x = 566,878,138.79/32,438.64
  6. Step 6: Final answer
    x = 17,475.40

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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.