Home / 50,956.45-70,328.22-28,302.74

Finding the Fourth Proportional to 50,956.45, 70,328.22 and 28,302.74

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Solution

The fourth proportional to 50,956.45, 70,328.22 and 28,302.74 is: 39,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,956.45 : 70,328.22 = 28,302.74 : x
  2. Step 2: Convert to fraction form
    50,956.45/70,328.22 = 28,302.74/x
  3. Step 3: Cross multiply
    50,956.45x = 70,328.22 × 28,302.74
  4. Step 4: Simplify right side
    50,956.45x = 1,990,481,567.88
  5. Step 5: Solve for x
    x = 1,990,481,567.88/50,956.45
  6. Step 6: Final answer
    x = 39,062.40

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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.