Home / 38,775.21-58,125.84-12,461.46

Finding the Fourth Proportional to 38,775.21, 58,125.84 and 12,461.46

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Solution

The fourth proportional to 38,775.21, 58,125.84 and 12,461.46 is: 18,680.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,775.21 : 58,125.84 = 12,461.46 : x
  2. Step 2: Convert to fraction form
    38,775.21/58,125.84 = 12,461.46/x
  3. Step 3: Cross multiply
    38,775.21x = 58,125.84 × 12,461.46
  4. Step 4: Simplify right side
    38,775.21x = 724,332,830.13
  5. Step 5: Solve for x
    x = 724,332,830.13/38,775.21
  6. Step 6: Final answer
    x = 18,680.31

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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.