Home / 50,920.04-70,268.31-28,257.86

Finding the Fourth Proportional to 50,920.04, 70,268.31 and 28,257.86

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Solution

The fourth proportional to 50,920.04, 70,268.31 and 28,257.86 is: 38,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,920.04 : 70,268.31 = 28,257.86 : x
  2. Step 2: Convert to fraction form
    50,920.04/70,268.31 = 28,257.86/x
  3. Step 3: Cross multiply
    50,920.04x = 70,268.31 × 28,257.86
  4. Step 4: Simplify right side
    50,920.04x = 1,985,632,242.09
  5. Step 5: Solve for x
    x = 1,985,632,242.09/50,920.04
  6. Step 6: Final answer
    x = 38,995.10

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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.