Home / 32,615.20-48,916.40-10,422.64

Finding the Fourth Proportional to 32,615.20, 48,916.40 and 10,422.64

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Solution

The fourth proportional to 32,615.20, 48,916.40 and 10,422.64 is: 15,631.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,615.20 : 48,916.40 = 10,422.64 : x
  2. Step 2: Convert to fraction form
    32,615.20/48,916.40 = 10,422.64/x
  3. Step 3: Cross multiply
    32,615.20x = 48,916.40 × 10,422.64
  4. Step 4: Simplify right side
    32,615.20x = 509,838,027.30
  5. Step 5: Solve for x
    x = 509,838,027.30/32,615.20
  6. Step 6: Final answer
    x = 15,631.91

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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.