Home / 32,316.81-48,474.86-12,609.20

Finding the Fourth Proportional to 32,316.81, 48,474.86 and 12,609.20

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Solution

The fourth proportional to 32,316.81, 48,474.86 and 12,609.20 is: 18,913.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,316.81 : 48,474.86 = 12,609.20 : x
  2. Step 2: Convert to fraction form
    32,316.81/48,474.86 = 12,609.20/x
  3. Step 3: Cross multiply
    32,316.81x = 48,474.86 × 12,609.20
  4. Step 4: Simplify right side
    32,316.81x = 611,228,962.34
  5. Step 5: Solve for x
    x = 611,228,962.34/32,316.81
  6. Step 6: Final answer
    x = 18,913.65

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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.