Home / 31,782.16-47,673.24-12,056.03

Finding the Fourth Proportional to 31,782.16, 47,673.24 and 12,056.03

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Solution

The fourth proportional to 31,782.16, 47,673.24 and 12,056.03 is: 18,084.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,782.16 : 47,673.24 = 12,056.03 : x
  2. Step 2: Convert to fraction form
    31,782.16/47,673.24 = 12,056.03/x
  3. Step 3: Cross multiply
    31,782.16x = 47,673.24 × 12,056.03
  4. Step 4: Simplify right side
    31,782.16x = 574,750,011.64
  5. Step 5: Solve for x
    x = 574,750,011.64/31,782.16
  6. Step 6: Final answer
    x = 18,084.05

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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.