Home / 50,962.81-70,328.55-28,301.72

Finding the Fourth Proportional to 50,962.81, 70,328.55 and 28,301.72

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Solution

The fourth proportional to 50,962.81, 70,328.55 and 28,301.72 is: 39,056.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,962.81 : 70,328.55 = 28,301.72 : x
  2. Step 2: Convert to fraction form
    50,962.81/70,328.55 = 28,301.72/x
  3. Step 3: Cross multiply
    50,962.81x = 70,328.55 × 28,301.72
  4. Step 4: Simplify right side
    50,962.81x = 1,990,419,105.93
  5. Step 5: Solve for x
    x = 1,990,419,105.93/50,962.81
  6. Step 6: Final answer
    x = 39,056.31

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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.