Home / 31,373.21-47,056.37-9,186.81

Finding the Fourth Proportional to 31,373.21, 47,056.37 and 9,186.81

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Solution

The fourth proportional to 31,373.21, 47,056.37 and 9,186.81 is: 13,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,373.21 : 47,056.37 = 9,186.81 : x
  2. Step 2: Convert to fraction form
    31,373.21/47,056.37 = 9,186.81/x
  3. Step 3: Cross multiply
    31,373.21x = 47,056.37 × 9,186.81
  4. Step 4: Simplify right side
    31,373.21x = 432,297,930.48
  5. Step 5: Solve for x
    x = 432,297,930.48/31,373.21
  6. Step 6: Final answer
    x = 13,779.21

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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.