Home / 50,874.16-70,206.35-28,216.62

Finding the Fourth Proportional to 50,874.16, 70,206.35 and 28,216.62

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Solution

The fourth proportional to 50,874.16, 70,206.35 and 28,216.62 is: 38,938.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,874.16 : 70,206.35 = 28,216.62 : x
  2. Step 2: Convert to fraction form
    50,874.16/70,206.35 = 28,216.62/x
  3. Step 3: Cross multiply
    50,874.16x = 70,206.35 × 28,216.62
  4. Step 4: Simplify right side
    50,874.16x = 1,980,985,899.54
  5. Step 5: Solve for x
    x = 1,980,985,899.54/50,874.16
  6. Step 6: Final answer
    x = 38,938.94

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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.