Home / 50,697.86-69,961.70-28,036.22

Finding the Fourth Proportional to 50,697.86, 69,961.70 and 28,036.22

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Solution

The fourth proportional to 50,697.86, 69,961.70 and 28,036.22 is: 38,689.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,697.86 : 69,961.70 = 28,036.22 : x
  2. Step 2: Convert to fraction form
    50,697.86/69,961.70 = 28,036.22/x
  3. Step 3: Cross multiply
    50,697.86x = 69,961.70 × 28,036.22
  4. Step 4: Simplify right side
    50,697.86x = 1,961,461,612.77
  5. Step 5: Solve for x
    x = 1,961,461,612.77/50,697.86
  6. Step 6: Final answer
    x = 38,689.24

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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.