Home / 50,056.36-75,050.46-18,865

Finding the Fourth Proportional to 50,056.36, 75,050.46 and 18,865

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Solution

The fourth proportional to 50,056.36, 75,050.46 and 18,865 is: 28,284.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,056.36 : 75,050.46 = 18,865 : x
  2. Step 2: Convert to fraction form
    50,056.36/75,050.46 = 18,865/x
  3. Step 3: Cross multiply
    50,056.36x = 75,050.46 × 18,865
  4. Step 4: Simplify right side
    50,056.36x = 1,415,826,927.90
  5. Step 5: Solve for x
    x = 1,415,826,927.90/50,056.36
  6. Step 6: Final answer
    x = 28,284.66

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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.