Home / 50,921.60-70,271.71-28,260.86

Finding the Fourth Proportional to 50,921.60, 70,271.71 and 28,260.86

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Solution

The fourth proportional to 50,921.60, 70,271.71 and 28,260.86 is: 38,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,921.60 : 70,271.71 = 28,260.86 : x
  2. Step 2: Convert to fraction form
    50,921.60/70,271.71 = 28,260.86/x
  3. Step 3: Cross multiply
    50,921.60x = 70,271.71 × 28,260.86
  4. Step 4: Simplify right side
    50,921.60x = 1,985,939,063.30
  5. Step 5: Solve for x
    x = 1,985,939,063.30/50,921.60
  6. Step 6: Final answer
    x = 38,999.93

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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.