Home / 31,346.28-47,035.58-20,823.56

Finding the Fourth Proportional to 31,346.28, 47,035.58 and 20,823.56

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Solution

The fourth proportional to 31,346.28, 47,035.58 and 20,823.56 is: 31,246.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,346.28 : 47,035.58 = 20,823.56 : x
  2. Step 2: Convert to fraction form
    31,346.28/47,035.58 = 20,823.56/x
  3. Step 3: Cross multiply
    31,346.28x = 47,035.58 × 20,823.56
  4. Step 4: Simplify right side
    31,346.28x = 979,448,222.26
  5. Step 5: Solve for x
    x = 979,448,222.26/31,346.28
  6. Step 6: Final answer
    x = 31,246.08

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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.