Home / 51,197.50-70,633.14-31,047.40

Finding the Fourth Proportional to 51,197.50, 70,633.14 and 31,047.40

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Solution

The fourth proportional to 51,197.50, 70,633.14 and 31,047.40 is: 42,833.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,197.50 : 70,633.14 = 31,047.40 : x
  2. Step 2: Convert to fraction form
    51,197.50/70,633.14 = 31,047.40/x
  3. Step 3: Cross multiply
    51,197.50x = 70,633.14 × 31,047.40
  4. Step 4: Simplify right side
    51,197.50x = 2,192,975,350.84
  5. Step 5: Solve for x
    x = 2,192,975,350.84/51,197.50
  6. Step 6: Final answer
    x = 42,833.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.