Home / 34,258.24-47,275.50-20,829.88

Finding the Fourth Proportional to 34,258.24, 47,275.50 and 20,829.88

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Solution

The fourth proportional to 34,258.24, 47,275.50 and 20,829.88 is: 28,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,258.24 : 47,275.50 = 20,829.88 : x
  2. Step 2: Convert to fraction form
    34,258.24/47,275.50 = 20,829.88/x
  3. Step 3: Cross multiply
    34,258.24x = 47,275.50 × 20,829.88
  4. Step 4: Simplify right side
    34,258.24x = 984,742,991.94
  5. Step 5: Solve for x
    x = 984,742,991.94/34,258.24
  6. Step 6: Final answer
    x = 28,744.70

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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.