Home / 32,011.20-48,016.80-12,555.20

Finding the Fourth Proportional to 32,011.20, 48,016.80 and 12,555.20

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Solution

The fourth proportional to 32,011.20, 48,016.80 and 12,555.20 is: 18,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,011.20 : 48,016.80 = 12,555.20 : x
  2. Step 2: Convert to fraction form
    32,011.20/48,016.80 = 12,555.20/x
  3. Step 3: Cross multiply
    32,011.20x = 48,016.80 × 12,555.20
  4. Step 4: Simplify right side
    32,011.20x = 602,860,527.36
  5. Step 5: Solve for x
    x = 602,860,527.36/32,011.20
  6. Step 6: Final answer
    x = 18,832.80

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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.