Home / 34,624.83-47,782.28-18,709.28

Finding the Fourth Proportional to 34,624.83, 47,782.28 and 18,709.28

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Solution

The fourth proportional to 34,624.83, 47,782.28 and 18,709.28 is: 25,818.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,624.83 : 47,782.28 = 18,709.28 : x
  2. Step 2: Convert to fraction form
    34,624.83/47,782.28 = 18,709.28/x
  3. Step 3: Cross multiply
    34,624.83x = 47,782.28 × 18,709.28
  4. Step 4: Simplify right side
    34,624.83x = 893,971,989.98
  5. Step 5: Solve for x
    x = 893,971,989.98/34,624.83
  6. Step 6: Final answer
    x = 25,818.81

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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.