Home / 31,610.81-47,423.27-11,889.53

Finding the Fourth Proportional to 31,610.81, 47,423.27 and 11,889.53

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Solution

The fourth proportional to 31,610.81, 47,423.27 and 11,889.53 is: 17,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,610.81 : 47,423.27 = 11,889.53 : x
  2. Step 2: Convert to fraction form
    31,610.81/47,423.27 = 11,889.53/x
  3. Step 3: Cross multiply
    31,610.81x = 47,423.27 × 11,889.53
  4. Step 4: Simplify right side
    31,610.81x = 563,840,509.92
  5. Step 5: Solve for x
    x = 563,840,509.92/31,610.81
  6. Step 6: Final answer
    x = 17,836.96

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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.