Home / 32,459.20-48,701.60-12,734.40

Finding the Fourth Proportional to 32,459.20, 48,701.60 and 12,734.40

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Solution

The fourth proportional to 32,459.20, 48,701.60 and 12,734.40 is: 19,106.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,459.20 : 48,701.60 = 12,734.40 : x
  2. Step 2: Convert to fraction form
    32,459.20/48,701.60 = 12,734.40/x
  3. Step 3: Cross multiply
    32,459.20x = 48,701.60 × 12,734.40
  4. Step 4: Simplify right side
    32,459.20x = 620,185,655.04
  5. Step 5: Solve for x
    x = 620,185,655.04/32,459.20
  6. Step 6: Final answer
    x = 19,106.62

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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.