Home / 51,125.40-76,688.10-38,003.40

Finding the Fourth Proportional to 51,125.40, 76,688.10 and 38,003.40

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Solution

The fourth proportional to 51,125.40, 76,688.10 and 38,003.40 is: 57,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,125.40 : 76,688.10 = 38,003.40 : x
  2. Step 2: Convert to fraction form
    51,125.40/76,688.10 = 38,003.40/x
  3. Step 3: Cross multiply
    51,125.40x = 76,688.10 × 38,003.40
  4. Step 4: Simplify right side
    51,125.40x = 2,914,408,539.54
  5. Step 5: Solve for x
    x = 2,914,408,539.54/51,125.40
  6. Step 6: Final answer
    x = 57,005.10

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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.