Home / 40,782.79-61,173.54-11,200.63

Finding the Fourth Proportional to 40,782.79, 61,173.54 and 11,200.63

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Solution

The fourth proportional to 40,782.79, 61,173.54 and 11,200.63 is: 16,800.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,782.79 : 61,173.54 = 11,200.63 : x
  2. Step 2: Convert to fraction form
    40,782.79/61,173.54 = 11,200.63/x
  3. Step 3: Cross multiply
    40,782.79x = 61,173.54 × 11,200.63
  4. Step 4: Simplify right side
    40,782.79x = 685,182,187.33
  5. Step 5: Solve for x
    x = 685,182,187.33/40,782.79
  6. Step 6: Final answer
    x = 16,800.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.