Home / 37,811.58-56,686.38-15,640.86

Finding the Fourth Proportional to 37,811.58, 56,686.38 and 15,640.86

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Solution

The fourth proportional to 37,811.58, 56,686.38 and 15,640.86 is: 23,448.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,811.58 : 56,686.38 = 15,640.86 : x
  2. Step 2: Convert to fraction form
    37,811.58/56,686.38 = 15,640.86/x
  3. Step 3: Cross multiply
    37,811.58x = 56,686.38 × 15,640.86
  4. Step 4: Simplify right side
    37,811.58x = 886,623,733.49
  5. Step 5: Solve for x
    x = 886,623,733.49/37,811.58
  6. Step 6: Final answer
    x = 23,448.47

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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.