Home / 37,600.13-56,412.76-12,300.80

Finding the Fourth Proportional to 37,600.13, 56,412.76 and 12,300.80

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Solution

The fourth proportional to 37,600.13, 56,412.76 and 12,300.80 is: 18,455.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,600.13 : 56,412.76 = 12,300.80 : x
  2. Step 2: Convert to fraction form
    37,600.13/56,412.76 = 12,300.80/x
  3. Step 3: Cross multiply
    37,600.13x = 56,412.76 × 12,300.80
  4. Step 4: Simplify right side
    37,600.13x = 693,922,078.21
  5. Step 5: Solve for x
    x = 693,922,078.21/37,600.13
  6. Step 6: Final answer
    x = 18,455.31

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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.