Home / 50,816.66-70,129.10-28,460.82

Finding the Fourth Proportional to 50,816.66, 70,129.10 and 28,460.82

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Solution

The fourth proportional to 50,816.66, 70,129.10 and 28,460.82 is: 39,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,816.66 : 70,129.10 = 28,460.82 : x
  2. Step 2: Convert to fraction form
    50,816.66/70,129.10 = 28,460.82/x
  3. Step 3: Cross multiply
    50,816.66x = 70,129.10 × 28,460.82
  4. Step 4: Simplify right side
    50,816.66x = 1,995,931,691.86
  5. Step 5: Solve for x
    x = 1,995,931,691.86/50,816.66
  6. Step 6: Final answer
    x = 39,277.11

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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.