Home / 50,765.10-70,056.27-28,103.46

Finding the Fourth Proportional to 50,765.10, 70,056.27 and 28,103.46

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Solution

The fourth proportional to 50,765.10, 70,056.27 and 28,103.46 is: 38,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,765.10 : 70,056.27 = 28,103.46 : x
  2. Step 2: Convert to fraction form
    50,765.10/70,056.27 = 28,103.46/x
  3. Step 3: Cross multiply
    50,765.10x = 70,056.27 × 28,103.46
  4. Step 4: Simplify right side
    50,765.10x = 1,968,823,581.69
  5. Step 5: Solve for x
    x = 1,968,823,581.69/50,765.10
  6. Step 6: Final answer
    x = 38,783.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.