Home / 34,703.90-47,890.81-18,788.21

Finding the Fourth Proportional to 34,703.90, 47,890.81 and 18,788.21

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Solution

The fourth proportional to 34,703.90, 47,890.81 and 18,788.21 is: 25,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,703.90 : 47,890.81 = 18,788.21 : x
  2. Step 2: Convert to fraction form
    34,703.90/47,890.81 = 18,788.21/x
  3. Step 3: Cross multiply
    34,703.90x = 47,890.81 × 18,788.21
  4. Step 4: Simplify right side
    34,703.90x = 899,782,595.35
  5. Step 5: Solve for x
    x = 899,782,595.35/34,703.90
  6. Step 6: Final answer
    x = 25,927.42

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1.5x scale

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.