Home / 38,508.61-57,762.45-12,213.58

Finding the Fourth Proportional to 38,508.61, 57,762.45 and 12,213.58

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Solution

The fourth proportional to 38,508.61, 57,762.45 and 12,213.58 is: 18,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,508.61 : 57,762.45 = 12,213.58 : x
  2. Step 2: Convert to fraction form
    38,508.61/57,762.45 = 12,213.58/x
  3. Step 3: Cross multiply
    38,508.61x = 57,762.45 × 12,213.58
  4. Step 4: Simplify right side
    38,508.61x = 705,486,015.26
  5. Step 5: Solve for x
    x = 705,486,015.26/38,508.61
  6. Step 6: Final answer
    x = 18,320.22

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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.