Home / 38,774.21-58,124.34-12,460.46

Finding the Fourth Proportional to 38,774.21, 58,124.34 and 12,460.46

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Solution

The fourth proportional to 38,774.21, 58,124.34 and 12,460.46 is: 18,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,774.21 : 58,124.34 = 12,460.46 : x
  2. Step 2: Convert to fraction form
    38,774.21/58,124.34 = 12,460.46/x
  3. Step 3: Cross multiply
    38,774.21x = 58,124.34 × 12,460.46
  4. Step 4: Simplify right side
    38,774.21x = 724,255,722.97
  5. Step 5: Solve for x
    x = 724,255,722.97/38,774.21
  6. Step 6: Final answer
    x = 18,678.80

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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.