Home / 50,520.08-69,717.36-27,859.20

Finding the Fourth Proportional to 50,520.08, 69,717.36 and 27,859.20

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Solution

The fourth proportional to 50,520.08, 69,717.36 and 27,859.20 is: 38,445.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,520.08 : 69,717.36 = 27,859.20 : x
  2. Step 2: Convert to fraction form
    50,520.08/69,717.36 = 27,859.20/x
  3. Step 3: Cross multiply
    50,520.08x = 69,717.36 × 27,859.20
  4. Step 4: Simplify right side
    50,520.08x = 1,942,269,875.71
  5. Step 5: Solve for x
    x = 1,942,269,875.71/50,520.08
  6. Step 6: Final answer
    x = 38,445.50

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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.