Home / 51,015.60-76,523.40-45,329.40

Finding the Fourth Proportional to 51,015.60, 76,523.40 and 45,329.40

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Solution

The fourth proportional to 51,015.60, 76,523.40 and 45,329.40 is: 67,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,015.60 : 76,523.40 = 45,329.40 : x
  2. Step 2: Convert to fraction form
    51,015.60/76,523.40 = 45,329.40/x
  3. Step 3: Cross multiply
    51,015.60x = 76,523.40 × 45,329.40
  4. Step 4: Simplify right side
    51,015.60x = 3,468,759,807.96
  5. Step 5: Solve for x
    x = 3,468,759,807.96/51,015.60
  6. Step 6: Final answer
    x = 67,994.10

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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.