Home / 38,890.20-58,292.10-16,699.80

Finding the Fourth Proportional to 38,890.20, 58,292.10 and 16,699.80

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Solution

The fourth proportional to 38,890.20, 58,292.10 and 16,699.80 is: 25,031.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,890.20 : 58,292.10 = 16,699.80 : x
  2. Step 2: Convert to fraction form
    38,890.20/58,292.10 = 16,699.80/x
  3. Step 3: Cross multiply
    38,890.20x = 58,292.10 × 16,699.80
  4. Step 4: Simplify right side
    38,890.20x = 973,466,411.58
  5. Step 5: Solve for x
    x = 973,466,411.58/38,890.20
  6. Step 6: Final answer
    x = 25,031.15

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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.