Home / 50,917.08-70,270.76-28,256.23

Finding the Fourth Proportional to 50,917.08, 70,270.76 and 28,256.23

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Solution

The fourth proportional to 50,917.08, 70,270.76 and 28,256.23 is: 38,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,917.08 : 70,270.76 = 28,256.23 : x
  2. Step 2: Convert to fraction form
    50,917.08/70,270.76 = 28,256.23/x
  3. Step 3: Cross multiply
    50,917.08x = 70,270.76 × 28,256.23
  4. Step 4: Simplify right side
    50,917.08x = 1,985,586,264.20
  5. Step 5: Solve for x
    x = 1,985,586,264.20/50,917.08
  6. Step 6: Final answer
    x = 38,996.47

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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.