Home / 40,782.76-61,166.28-12,703.12

Finding the Fourth Proportional to 40,782.76, 61,166.28 and 12,703.12

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Solution

The fourth proportional to 40,782.76, 61,166.28 and 12,703.12 is: 19,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,782.76 : 61,166.28 = 12,703.12 : x
  2. Step 2: Convert to fraction form
    40,782.76/61,166.28 = 12,703.12/x
  3. Step 3: Cross multiply
    40,782.76x = 61,166.28 × 12,703.12
  4. Step 4: Simplify right side
    40,782.76x = 777,002,594.79
  5. Step 5: Solve for x
    x = 777,002,594.79/40,782.76
  6. Step 6: Final answer
    x = 19,052.23

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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.