Home / 38,914.36-58,359.04-12,612.76

Finding the Fourth Proportional to 38,914.36, 58,359.04 and 12,612.76

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Solution

The fourth proportional to 38,914.36, 58,359.04 and 12,612.76 is: 18,915.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,914.36 : 58,359.04 = 12,612.76 : x
  2. Step 2: Convert to fraction form
    38,914.36/58,359.04 = 12,612.76/x
  3. Step 3: Cross multiply
    38,914.36x = 58,359.04 × 12,612.76
  4. Step 4: Simplify right side
    38,914.36x = 736,068,565.35
  5. Step 5: Solve for x
    x = 736,068,565.35/38,914.36
  6. Step 6: Final answer
    x = 18,915.09

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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.